102112202028 has 48 divisors (see below), whose sum is σ = 244908728064. Its totient is φ = 33089400000.

The previous prime is 102112202009. The next prime is 102112202029. The reversal of 102112202028 is 820202211201.

It is a junction number, because it is equal to n+sod(n) for n = 102112201995 and 102112202013.

It is not an unprimeable number, because it can be changed into a prime (102112202029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430153 + ... + 623903.

It is an arithmetic number, because the mean of its divisors is an integer number (5102265168).

Almost surely, 2^102112202028 is an apocalyptic number.

It is an amenable number.

102112202028 is an abundant number, since it is smaller than the sum of its proper divisors (142796526036).

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

102112202028 is a wasteful number, since it uses less digits than its factorization.

102112202028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194982 (or 194980 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 102112202028 its reverse (820202211201), we get a palindrome (922314413229).

The spelling of 102112202028 in words is "one hundred two billion, one hundred twelve million, two hundred two thousand, twenty-eight".