102100002211020 has 96 divisors (see below), whose sum is σ = 321929391200256. Its totient is φ = 23953079692800.

The previous prime is 102100002211013. The next prime is 102100002211057. The reversal of 102100002211020 is 20112200001201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 102100002210987 and 102100002211005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2495092009 + ... + 2495132928.

It is an arithmetic number, because the mean of its divisors is an integer number (3353431158336).

Almost surely, 2^{102100002211020} is an apocalyptic number.

102100002211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102100002211020 is an abundant number, since it is smaller than the sum of its proper divisors (219829388989236).

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

102100002211020 is a wasteful number, since it uses less digits than its factorization.

102100002211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4990224991 (or 4990224989 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102100002211020 its reverse (20112200001201), we get a palindrome (122212202212221).

The spelling of 102100002211020 in words is "one hundred two trillion, one hundred billion, two million, two hundred eleven thousand, twenty".