121010221100010 has 128 divisors (see below), whose sum is σ = 330607884220416. Its totient is φ = 28059827882240.

The previous prime is 121010221100003. The next prime is 121010221100047. The reversal of 121010221100010 is 10001122010121.

It is a super-2 number, since 2×121010221100010² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 553148509 + ... + 553367231.

It is an arithmetic number, because the mean of its divisors is an integer number (2582874095472).

Almost surely, 2^{121010221100010} is an apocalyptic number.

121010221100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121010221100010 is an abundant number, since it is smaller than the sum of its proper divisors (209597663120406).

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

121010221100010 is a wasteful number, since it uses less digits than its factorization.

121010221100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291660.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121010221100010 its reverse (10001122010121), we get a palindrome (131011343110131).

The spelling of 121010221100010 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty-one million, one hundred thousand, ten".