211122012101 has 16 divisors (see below), whose sum is σ = 283464521088. Its totient is φ = 151855992000.

The previous prime is 211122012007. The next prime is 211122012121. The reversal of 211122012101 is 101210221112.

It is a cyclic number.

It is not a de Polignac number, because 211122012101 - 2¹⁰ = 211122011077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122012121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105454550 + ... + 105456551.

It is an arithmetic number, because the mean of its divisors is an integer number (17716532568).

Almost surely, 2^211122012101 is an apocalyptic number.

It is an amenable number.

211122012101 is a deficient number, since it is larger than the sum of its proper divisors (72342508987).

211122012101 is a wasteful number, since it uses less digits than its factorization.

211122012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210911132.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211122012101 its reverse (101210221112), we get a palindrome (312332233213).

The spelling of 211122012101 in words is "two hundred eleven billion, one hundred twenty-two million, twelve thousand, one hundred one".