121122021202010 has 64 divisors (see below), whose sum is σ = 228510169251840. Its totient is φ = 46136410393920.

The previous prime is 121122021202009. The next prime is 121122021202087. The reversal of 121122021202010 is 10202120221121.

It is a self number, because there is not a number n which added to its sum of digits gives 121122021202010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212063915 + ... + 212634305.

It is an arithmetic number, because the mean of its divisors is an integer number (3570471394560).

Almost surely, 2^{121122021202010} is an apocalyptic number.

121122021202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121122021202010 is a deficient number, since it is larger than the sum of its proper divisors (107388148049830).

121122021202010 is a wasteful number, since it uses less digits than its factorization.

121122021202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574523.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121122021202010 its reverse (10202120221121), we get a palindrome (131324141423131).

The spelling of 121122021202010 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, twenty-one million, two hundred two thousand, ten".