22111210112101 has 4 divisors (see below), whose sum is σ = 24121320122304. Its totient is φ = 20101100101900.

The previous prime is 22111210112077. The next prime is 22111210112149. The reversal of 22111210112101 is 10121101211122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22111210112101 - 2¹¹ = 22111210110053 is a prime.

It is a super-2 number, since 2×22111210112101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111280112101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005055005085 + ... + 1005055005106.

It is an arithmetic number, because the mean of its divisors is an integer number (6030330030576).

Almost surely, 2^{22111210112101} is an apocalyptic number.

It is an amenable number.

22111210112101 is a deficient number, since it is larger than the sum of its proper divisors (2010110010203).

22111210112101 is a wasteful number, since it uses less digits than its factorization.

22111210112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010110010202.

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

Adding to 22111210112101 its reverse (10121101211122), we get a palindrome (32232311323223).

The spelling of 22111210112101 in words is "twenty-two trillion, one hundred eleven billion, two hundred ten million, one hundred twelve thousand, one hundred one".