102120022220 has 24 divisors (see below), whose sum is σ = 216861624000. Its totient is φ = 40389041792.

The previous prime is 102120022187. The next prime is 102120022253. The reversal of 102120022220 is 22220021201.

It is an interprime number because it is at equal distance from previous prime (102120022187) and next prime (102120022253).

It is a junction number, because it is equal to n+sod(n) for n = 102120022195 and 102120022204.

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, 28683620 + ... + 28687179.

It is an arithmetic number, because the mean of its divisors is an integer number (9035901000).

Almost surely, 2^102120022220 is an apocalyptic number.

102120022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102120022220 is an abundant number, since it is smaller than the sum of its proper divisors (114741601780).

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

102120022220 is a wasteful number, since it uses less digits than its factorization.

102120022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57370897 (or 57370895 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 102120022220 its reverse (22220021201), we get a palindrome (124340043421).

The spelling of 102120022220 in words is "one hundred two billion, one hundred twenty million, twenty-two thousand, two hundred twenty".