121010221122 has 64 divisors (see below), whose sum is σ = 279563249664. Its totient is φ = 34204181760.

The previous prime is 121010221121. The next prime is 121010221139. The reversal of 121010221122 is 221122010121.

It is not an unprimeable number, because it can be changed into a prime (121010221121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3320922 + ... + 3357162.

It is an arithmetic number, because the mean of its divisors is an integer number (4368175776).

Almost surely, 2^121010221122 is an apocalyptic number.

121010221122 is an abundant number, since it is smaller than the sum of its proper divisors (158553028542).

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

121010221122 is a wasteful number, since it uses less digits than its factorization.

121010221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37103.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121010221122 its reverse (221122010121), we get a palindrome (342132231243).

The spelling of 121010221122 in words is "one hundred twenty-one billion, ten million, two hundred twenty-one thousand, one hundred twenty-two".