202102102001100 has 216 divisors, whose sum is σ = 716018876650560. Its totient is φ = 43763462628480.

The previous prime is 202102102001089. The next prime is 202102102001143. The reversal of 202102102001100 is 1100201201202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 361521814 + ... + 362080413.

Almost surely, 2^{202102102001100} is an apocalyptic number.

202102102001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202102102001100 is an abundant number, since it is smaller than the sum of its proper divisors (513916774649460).

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

202102102001100 is a wasteful number, since it uses less digits than its factorization.

202102102001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723602277 (or 723602263 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202102102001100 its reverse (1100201201202), we get a palindrome (203202303202302).

The spelling of 202102102001100 in words is "two hundred two trillion, one hundred two billion, one hundred two million, one thousand, one hundred".