102029311128 has 64 divisors (see below), whose sum is σ = 270143838720. Its totient is φ = 32001344000.

The previous prime is 102029311127. The next prime is 102029311141. The reversal of 102029311128 is 821113920201.

It is a junction number, because it is equal to n+sod(n) for n = 102029311095 and 102029311104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102029311123) 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, 1763053 + ... + 1820003.

It is an arithmetic number, because the mean of its divisors is an integer number (4220997480).

Almost surely, 2^102029311128 is an apocalyptic number.

It is an amenable number.

102029311128 is an abundant number, since it is smaller than the sum of its proper divisors (168114527592).

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

102029311128 is a wasteful number, since it uses less digits than its factorization.

102029311128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61368 (or 61364 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The spelling of 102029311128 in words is "one hundred two billion, twenty-nine million, three hundred eleven thousand, one hundred twenty-eight".