22021031111101 has 16 divisors (see below), whose sum is σ = 24261670556928. Its totient is φ = 19820193912000.

The previous prime is 22021031111099. The next prime is 22021031111117. The reversal of 22021031111101 is 10111113012022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22021031111101 - 2¹ = 22021031111099 is a prime.

It is a super-2 number, since 2×22021031111101² (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 (22021031114101) 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, 31694236 + ... + 32381578.

It is an arithmetic number, because the mean of its divisors is an integer number (1516354409808).

Almost surely, 2^{22021031111101} is an apocalyptic number.

It is an amenable number.

22021031111101 is a deficient number, since it is larger than the sum of its proper divisors (2240639445827).

22021031111101 is a wasteful number, since it uses less digits than its factorization.

22021031111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716292.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 22021031111101 its reverse (10111113012022), we get a palindrome (32132144123123).

The spelling of 22021031111101 in words is "twenty-two trillion, twenty-one billion, thirty-one million, one hundred eleven thousand, one hundred one".