122010021121 has 8 divisors (see below), whose sum is σ = 134015584320. Its totient is φ = 110562856272.

The previous prime is 122010021109. The next prime is 122010021127. The reversal of 122010021121 is 121120010221.

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

It is a cyclic number.

It is not a de Polignac number, because 122010021121 - 2²¹ = 122007923969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122010021127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139599130 + ... + 139600003.

It is an arithmetic number, because the mean of its divisors is an integer number (16751948040).

Almost surely, 2^122010021121 is an apocalyptic number.

It is an amenable number.

122010021121 is a deficient number, since it is larger than the sum of its proper divisors (12005563199).

122010021121 is a wasteful number, since it uses less digits than its factorization.

122010021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279199175.

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

Adding to 122010021121 its reverse (121120010221), we get a palindrome (243130031342).

The spelling of 122010021121 in words is "one hundred twenty-two billion, ten million, twenty-one thousand, one hundred twenty-one".