101211021202011 has 24 divisors (see below), whose sum is σ = 157082096876544. Its totient is φ = 57797387035920.

The previous prime is 101211021201989. The next prime is 101211021202021. The reversal of 101211021202011 is 110202120112101.

It is a happy number.

It is not a de Polignac number, because 101211021202011 - 2²⁵ = 101210987647579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101211021202021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222880875 + ... + 223334516.

It is an arithmetic number, because the mean of its divisors is an integer number (6545087369856).

Almost surely, 2^{101211021202011} is an apocalyptic number.

101211021202011 is a deficient number, since it is larger than the sum of its proper divisors (55871075674533).

101211021202011 is a wasteful number, since it uses less digits than its factorization.

101211021202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446216951 (or 446216944 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101211021202011 its reverse (110202120112101), we get a palindrome (211413141314112).

The spelling of 101211021202011 in words is "one hundred one trillion, two hundred eleven billion, twenty-one million, two hundred two thousand, eleven".