202110211110020 has 24 divisors (see below), whose sum is σ = 433461899574144. Its totient is φ = 79123997540576.

The previous prime is 202110211110013. The next prime is 202110211110053. The reversal of 202110211110020 is 20011112011202.

It is a junction number, because it is equal to n+sod(n) for n = 202110211109977 and 202110211110004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107505430502 + ... + 107505432381.

It is an arithmetic number, because the mean of its divisors is an integer number (18060912482256).

Almost surely, 2^{202110211110020} is an apocalyptic number.

202110211110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202110211110020 is an abundant number, since it is smaller than the sum of its proper divisors (231351688464124).

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

202110211110020 is a wasteful number, since it uses less digits than its factorization.

202110211110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215010862939 (or 215010862937 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 202110211110020 its reverse (20011112011202), we get a palindrome (222121323121222).

The spelling of 202110211110020 in words is "two hundred two trillion, one hundred ten billion, two hundred eleven million, one hundred ten thousand, twenty".