101221021022211 has 6 divisors (see below), whose sum is σ = 146208141476540. Its totient is φ = 67480680681468.

The previous prime is 101221021022207. The next prime is 101221021022249. The reversal of 101221021022211 is 112220120122101.

101221021022211 is a `hidden beast` number, since 1 + 0 + 1 + 221 + 0 + 210 + 22 + 211 = 666.

It is not a de Polignac number, because 101221021022211 - 2² = 101221021022207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101221021072211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5623390056781 + ... + 5623390056798.

Almost surely, 2^{101221021022211} is an apocalyptic number.

101221021022211 is a deficient number, since it is larger than the sum of its proper divisors (44987120454329).

101221021022211 is a wasteful number, since it uses less digits than its factorization.

101221021022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11246780113585 (or 11246780113582 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 101221021022211 its reverse (112220120122101), we get a palindrome (213441141144312).

The spelling of 101221021022211 in words is "one hundred one trillion, two hundred twenty-one billion, twenty-one million, twenty-two thousand, two hundred eleven".