22100121210020 has 24 divisors (see below), whose sum is σ = 53040290904384. Its totient is φ = 7577184414816.

The previous prime is 22100121210019. The next prime is 22100121210031. The reversal of 22100121210020 is 2001212100122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 22100121209977 and 22100121210004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78929004182 + ... + 78929004461.

It is an arithmetic number, because the mean of its divisors is an integer number (2210012121016).

Almost surely, 2^{22100121210020} is an apocalyptic number.

22100121210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100121210020 is an abundant number, since it is smaller than the sum of its proper divisors (30940169694364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22100121210020 is a wasteful number, since it uses less digits than its factorization.

22100121210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157858008659 (or 157858008657 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22100121210020 its reverse (2001212100122), we get a palindrome (24101333310142).

The spelling of 22100121210020 in words is "twenty-two trillion, one hundred billion, one hundred twenty-one million, two hundred ten thousand, twenty".