121122023020 has 24 divisors (see below), whose sum is σ = 254679478704. Its totient is φ = 48387241536.

The previous prime is 121122022963. The next prime is 121122023093. The reversal of 121122023020 is 20320221121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121122022985 and 121122023003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3831847 + ... + 3863326.

It is an arithmetic number, because the mean of its divisors is an integer number (10611644946).

Almost surely, 2^121122023020 is an apocalyptic number.

121122023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121122023020 is an abundant number, since it is smaller than the sum of its proper divisors (133557455684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121122023020 is a wasteful number, since it uses less digits than its factorization.

121122023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7695969 (or 7695967 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 121122023020 its reverse (20320221121), we get a palindrome (141442244141).

The spelling of 121122023020 in words is "one hundred twenty-one billion, one hundred twenty-two million, twenty-three thousand, twenty".