211210122101 has 16 divisors (see below), whose sum is σ = 240456048768. Its totient is φ = 183640248000.

The previous prime is 211210122091. The next prime is 211210122119. The reversal of 211210122101 is 101221012112.

It is not a de Polignac number, because 211210122101 - 2¹⁰ = 211210121077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211210122121) 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, 2462795 + ... + 2547111.

It is an arithmetic number, because the mean of its divisors is an integer number (15028503048).

Almost surely, 2^211210122101 is an apocalyptic number.

It is an amenable number.

211210122101 is a deficient number, since it is larger than the sum of its proper divisors (29245926667).

211210122101 is a wasteful number, since it uses less digits than its factorization.

211210122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94252.

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

Adding to 211210122101 its reverse (101221012112), we get a palindrome (312431134213).

It can be divided in two parts, 2112 and 10122101, that multiplied together give a palindrome (21377877312).

The spelling of 211210122101 in words is "two hundred eleven billion, two hundred ten million, one hundred twenty-two thousand, one hundred one".