102001110211220 has 24 divisors (see below), whose sum is σ = 233675270666208. Its totient is φ = 37091312804000.

The previous prime is 102001110211193. The next prime is 102001110211277. The reversal of 102001110211220 is 22112011100201.

It is a junction number, because it is equal to n+sod(n) for n = 102001110211195 and 102001110211204.

It is a congruent number.

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, 231820704806 + ... + 231820705245.

It is an arithmetic number, because the mean of its divisors is an integer number (9736469611092).

Almost surely, 2^{102001110211220} is an apocalyptic number.

102001110211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102001110211220 is an abundant number, since it is smaller than the sum of its proper divisors (131674160454988).

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

102001110211220 is a wasteful number, since it uses less digits than its factorization.

102001110211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463641410071 (or 463641410069 counting only the distinct ones).

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

Adding to 102001110211220 its reverse (22112011100201), we get a palindrome (124113121311421).

The spelling of 102001110211220 in words is "one hundred two trillion, one billion, one hundred ten million, two hundred eleven thousand, two hundred twenty".