21200100111022 has 8 divisors (see below), whose sum is σ = 36343028761776. Its totient is φ = 9085757190432.

The previous prime is 21200100111007. The next prime is 21200100111037. The reversal of 21200100111022 is 22011100100212.

It is an interprime number because it is at equal distance from previous prime (21200100111007) and next prime (21200100111037).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21200100110993 and 21200100111011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757146432523 + ... + 757146432550.

It is an arithmetic number, because the mean of its divisors is an integer number (4542878595222).

Almost surely, 2^{21200100111022} is an apocalyptic number.

21200100111022 is a deficient number, since it is larger than the sum of its proper divisors (15142928650754).

21200100111022 is a wasteful number, since it uses less digits than its factorization.

21200100111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514292865082.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21200100111022 its reverse (22011100100212), we get a palindrome (43211200211234).

The spelling of 21200100111022 in words is "twenty-one trillion, two hundred billion, one hundred million, one hundred eleven thousand, twenty-two".