121111022 has 8 divisors (see below), whose sum is σ = 183708000. Its totient is φ = 59875024.

The previous prime is 121111021. The next prime is 121111037. The reversal of 121111022 is 220111121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121110994 and 121111012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121111021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340022 + ... + 340377.

It is an arithmetic number, because the mean of its divisors is an integer number (22963500).

Almost surely, 2^121111022 is an apocalyptic number.

121111022 is a deficient number, since it is larger than the sum of its proper divisors (62596978).

121111022 is an equidigital number, since it uses as much as digits as its factorization.

121111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680490.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 121111022 is about 11005.0452974988. The cubic root of 121111022 is about 494.7599720544.

Adding to 121111022 its reverse (220111121), we get a palindrome (341222143).

Subtracting 121111022 from its reverse (220111121), we obtain a palindrome (99000099).

The spelling of 121111022 in words is "one hundred twenty-one million, one hundred eleven thousand, twenty-two".