102100001120 has 48 divisors (see below), whose sum is σ = 259765969680. Its totient is φ = 37698461184.

The previous prime is 102100001119. The next prime is 102100001147. The reversal of 102100001120 is 21100001201.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 102100001098 and 102100001107.

It is a congruent number.

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, 24541190 + ... + 24545349.

It is an arithmetic number, because the mean of its divisors is an integer number (5411791035).

Almost surely, 2^102100001120 is an apocalyptic number.

102100001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102100001120 is an abundant number, since it is smaller than the sum of its proper divisors (157665968560).

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

102100001120 is a wasteful number, since it uses less digits than its factorization.

102100001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49086567 (or 49086559 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 102100001120 its reverse (21100001201), we get a palindrome (123200002321).

The spelling of 102100001120 in words is "one hundred two billion, one hundred million, one thousand, one hundred twenty".