102020220111020 has 12 divisors (see below), whose sum is σ = 214242462233184. Its totient is φ = 40808088044400.

The previous prime is 102020220110989. The next prime is 102020220111053. The reversal of 102020220111020 is 20111022020201.

It is a super-2 number, since 2×102020220111020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102020220110986 and 102020220111004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550505502756 + ... + 2550505502795.

It is an arithmetic number, because the mean of its divisors is an integer number (17853538519432).

Almost surely, 2^{102020220111020} is an apocalyptic number.

102020220111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102020220111020 is an abundant number, since it is smaller than the sum of its proper divisors (112222242122164).

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

102020220111020 is a wasteful number, since it uses less digits than its factorization.

102020220111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101011005560 (or 5101011005558 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102020220111020 its reverse (20111022020201), we get a palindrome (122131242131221).

The spelling of 102020220111020 in words is "one hundred two trillion, twenty billion, two hundred twenty million, one hundred eleven thousand, twenty".