102100355 has 32 divisors (see below), whose sum is σ = 143856000. Its totient is φ = 68124672.

The previous prime is 102100331. The next prime is 102100393. The reversal of 102100355 is 553001201.

It is not a de Polignac number, because 102100355 - 2⁸ = 102100099 is a prime.

It is a super-2 number, since 2×102100355² = 20848964982252050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227171 + ... + 227619.

It is an arithmetic number, because the mean of its divisors is an integer number (4495500).

Almost surely, 2^102100355 is an apocalyptic number.

102100355 is a deficient number, since it is larger than the sum of its proper divisors (41755645).

102100355 is an equidigital number, since it uses as much as digits as its factorization.

102100355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 102100355 is about 10104.4720297500. The cubic root of 102100355 is about 467.3860551417.

Adding to 102100355 its reverse (553001201), we get a palindrome (655101556).

It can be divided in two parts, 1021003 and 55, that multiplied together give a palindrome (56155165).

The spelling of 102100355 in words is "one hundred two million, one hundred thousand, three hundred fifty-five".