202102111201000 has 32 divisors (see below), whose sum is σ = 472918940212680. Its totient is φ = 80840844480000.

The previous prime is 202102111200961. The next prime is 202102111201007. The reversal of 202102111201000 is 102111201202.

It can be written as a sum of positive squares in 4 ways, for example, as 58276826173476 + 143825285027524 = 7633926^2 + 11992718^2 .

It is not an unprimeable number, because it can be changed into a prime (202102111201007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101051054601 + ... + 101051056600.

Almost surely, 2^{202102111201000} is an apocalyptic number.

202102111201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202102111201000 is an abundant number, since it is smaller than the sum of its proper divisors (270816829011680).

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

202102111201000 is a wasteful number, since it uses less digits than its factorization.

202102111201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202102111222 (or 202102111208 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202102111201000 its reverse (102111201202), we get a palindrome (202204222402202).

The spelling of 202102111201000 in words is "two hundred two trillion, one hundred two billion, one hundred eleven million, two hundred one thousand".