121102210022001 has 64 divisors (see below), whose sum is σ = 178742361692160. Its totient is φ = 72457896960000.

The previous prime is 121102210021909. The next prime is 121102210022033. The reversal of 121102210022001 is 100220012201121.

It is not a de Polignac number, because 121102210022001 - 2²² = 121102205827697 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121102210022081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 546697696 + ... + 546919166.

It is an arithmetic number, because the mean of its divisors is an integer number (2792849401440).

Almost surely, 2^{121102210022001} is an apocalyptic number.

It is an amenable number.

121102210022001 is a deficient number, since it is larger than the sum of its proper divisors (57640151670159).

121102210022001 is a wasteful number, since it uses less digits than its factorization.

121102210022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222698.

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

Adding to 121102210022001 its reverse (100220012201121), we get a palindrome (221322222223122).

The spelling of 121102210022001 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred ten million, twenty-two thousand, one".