10102100202 has 12 divisors (see below), whose sum is σ = 21887883810. Its totient is φ = 3367366728.

The previous prime is 10102100189. The next prime is 10102100251. The reversal of 10102100202 is 20200120101.

It can be written as a sum of positive squares in only one way, i.e., 10062296721 + 39803481 = 100311^2 + 6309^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280613877 + ... + 280613912.

Almost surely, 2^10102100202 is an apocalyptic number.

10102100202 is an abundant number, since it is smaller than the sum of its proper divisors (11785783608).

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

10102100202 is a wasteful number, since it uses less digits than its factorization.

10102100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561227797 (or 561227794 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10102100202 its reverse (20200120101), we get a palindrome (30302220303).

The spelling of 10102100202 in words is "ten billion, one hundred two million, one hundred thousand, two hundred two".