102030211211020 has 48 divisors (see below), whose sum is σ = 226872732219840. Its totient is φ = 38410432815104.

The previous prime is 102030211211017. The next prime is 102030211211029. The reversal of 102030211211020 is 20112112030201.

It is a junction number, because it is equal to n+sod(n) for n = 102030211210985 and 102030211211003.

It is not an unprimeable number, because it can be changed into a prime (102030211211029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10304841 + ... + 17613919.

It is an arithmetic number, because the mean of its divisors is an integer number (4726515254580).

Almost surely, 2^{102030211211020} is an apocalyptic number.

102030211211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102030211211020 is an abundant number, since it is smaller than the sum of its proper divisors (124842521008820).

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

102030211211020 is a wasteful number, since it uses less digits than its factorization.

102030211211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7350162 (or 7350160 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102030211211020 its reverse (20112112030201), we get a palindrome (122142323241221).

The spelling of 102030211211020 in words is "one hundred two trillion, thirty billion, two hundred eleven million, two hundred eleven thousand, twenty".