121010211102220 has 48 divisors (see below), whose sum is σ = 277235046391968. Its totient is φ = 44001863336960.

The previous prime is 121010211102217. The next prime is 121010211102331. The reversal of 121010211102220 is 22201112010121.

It is a junction number, because it is equal to n+sod(n) for n = 121010211102194 and 121010211102203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6310429 + ... + 16788148.

It is an arithmetic number, because the mean of its divisors is an integer number (5775730133166).

Almost surely, 2^{121010211102220} is an apocalyptic number.

121010211102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121010211102220 is an abundant number, since it is smaller than the sum of its proper divisors (156224835289748).

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

121010211102220 is a wasteful number, since it uses less digits than its factorization.

121010211102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23122410 (or 23122408 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121010211102220 its reverse (22201112010121), we get a palindrome (143211323112341).

The spelling of 121010211102220 in words is "one hundred twenty-one trillion, ten billion, two hundred eleven million, one hundred two thousand, two hundred twenty".