22101002221101 has 16 divisors (see below), whose sum is σ = 30298124951808. Its totient is φ = 14321592633600.

The previous prime is 22101002221057. The next prime is 22101002221139. The reversal of 22101002221101 is 10112220010122.

It is not a de Polignac number, because 22101002221101 - 2¹¹ = 22101002219053 is a prime.

It is a super-2 number, since 2×22101002221101² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101002225101) 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, 331485016 + ... + 331551681.

It is an arithmetic number, because the mean of its divisors is an integer number (1893632809488).

Almost surely, 2^{22101002221101} is an apocalyptic number.

It is an amenable number.

22101002221101 is a deficient number, since it is larger than the sum of its proper divisors (8197122730707).

22101002221101 is a wasteful number, since it uses less digits than its factorization.

22101002221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663037012.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22101002221101 its reverse (10112220010122), we get a palindrome (32213222231223).

The spelling of 22101002221101 in words is "twenty-two trillion, one hundred one billion, two million, two hundred twenty-one thousand, one hundred one".