211102120120121 has 8 divisors (see below), whose sum is σ = 222213022312320. Its totient is φ = 199991244357072.

The previous prime is 211102120120117. The next prime is 211102120120139. The reversal of 211102120120121 is 121021021201112.

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 211102120120121 - 2² = 211102120120117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211102120120121.

It is not an unprimeable number, because it can be changed into a prime (211102120123121) 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, 10989776 + ... + 23301918.

It is an arithmetic number, because the mean of its divisors is an integer number (27776627789040).

Almost surely, 2^{211102120120121} is an apocalyptic number.

It is an amenable number.

211102120120121 is a deficient number, since it is larger than the sum of its proper divisors (11110902192199).

211102120120121 is a wasteful number, since it uses less digits than its factorization.

211102120120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13214575.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211102120120121 its reverse (121021021201112), we get a palindrome (332123141321233).

The spelling of 211102120120121 in words is "two hundred eleven trillion, one hundred two billion, one hundred twenty million, one hundred twenty thousand, one hundred twenty-one".