121001210122 has 8 divisors (see below), whose sum is σ = 195463493316. Its totient is φ = 55846712352.

The previous prime is 121001210119. The next prime is 121001210159. The reversal of 121001210122 is 221012100121.

It can be written as a sum of positive squares in 2 ways, for example, as 85510041241 + 35491168881 = 292421^2 + 188391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 2326946323 + ... + 2326946374.

Almost surely, 2^121001210122 is an apocalyptic number.

121001210122 is a deficient number, since it is larger than the sum of its proper divisors (74462283194).

121001210122 is a wasteful number, since it uses less digits than its factorization.

121001210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653892712.

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

Adding to 121001210122 its reverse (221012100121), we get a palindrome (342013310243).

The spelling of 121001210122 in words is "one hundred twenty-one billion, one million, two hundred ten thousand, one hundred twenty-two".