102110202111020 has 24 divisors (see below), whose sum is σ = 214431614250000. Its totient is φ = 40844044688832.

The previous prime is 102110202111017. The next prime is 102110202111059. The reversal of 102110202111020 is 20111202011201.

It is a junction number, because it is equal to n+sod(n) for n = 102110202110986 and 102110202111004.

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, 43469606 + ... + 45758354.

It is an arithmetic number, because the mean of its divisors is an integer number (8934650593750).

Almost surely, 2^{102110202111020} is an apocalyptic number.

102110202111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102110202111020 is an abundant number, since it is smaller than the sum of its proper divisors (112321412138980).

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

102110202111020 is a wasteful number, since it uses less digits than its factorization.

102110202111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519457 (or 4519455 counting only the distinct ones).

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

Adding to 102110202111020 its reverse (20111202011201), we get a palindrome (122221404122221).

The spelling of 102110202111020 in words is "one hundred two trillion, one hundred ten billion, two hundred two million, one hundred eleven thousand, twenty".