22012100111101 has 16 divisors (see below), whose sum is σ = 22161818427840. Its totient is φ = 21862694214400.

The previous prime is 22012100111047. The next prime is 22012100111129. The reversal of 22012100111101 is 10111100121022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22012100111101 - 2¹⁵ = 22012100078333 is a prime.

It is a super-2 number, since 2×22012100111101² (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 (22012100111191) 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, 562848990 + ... + 562888096.

It is an arithmetic number, because the mean of its divisors is an integer number (1385113651740).

Almost surely, 2^{22012100111101} is an apocalyptic number.

It is an amenable number.

22012100111101 is a deficient number, since it is larger than the sum of its proper divisors (149718316739).

22012100111101 is a wasteful number, since it uses less digits than its factorization.

22012100111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43004.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 22012100111101 its reverse (10111100121022), we get a palindrome (32123200232123).

The spelling of 22012100111101 in words is "twenty-two trillion, twelve billion, one hundred million, one hundred eleven thousand, one hundred one".