121011022210 has 16 divisors (see below), whose sum is σ = 234575212536. Its totient is φ = 44680992768.

The previous prime is 121011022207. The next prime is 121011022229. The reversal of 121011022210 is 12220110121.

It can be written as a sum of positive squares in 4 ways, for example, as 54433089481 + 66577932729 = 233309^2 + 258027^2 .

It is a super-2 number, since 2×121011022210² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 465426879 + ... + 465427138.

Almost surely, 2^121011022210 is an apocalyptic number.

121011022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121011022210 is a deficient number, since it is larger than the sum of its proper divisors (113564190326).

121011022210 is a wasteful number, since it uses less digits than its factorization.

121011022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930854037.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121011022210 its reverse (12220110121), we get a palindrome (133231132331).

The spelling of 121011022210 in words is "one hundred twenty-one billion, eleven million, twenty-two thousand, two hundred ten".