2102985428200 has 48 divisors (see below), whose sum is σ = 4925130535980. Its totient is φ = 835054056960.

The previous prime is 2102985428177. The next prime is 2102985428221. The reversal of 2102985428200 is 28245892012.

It can be written as a sum of positive squares in 6 ways, for example, as 851777634724 + 1251207793476 = 922918^2 + 1118574^2 .

It is a super-2 number, since 2×2102985428200² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38348247 + ... + 38403046.

Almost surely, 2^{2102985428200} is an apocalyptic number.

2102985428200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102985428200 is an abundant number, since it is smaller than the sum of its proper divisors (2822145107780).

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

2102985428200 is a wasteful number, since it uses less digits than its factorization.

2102985428200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76751446 (or 76751437 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 2102985428200 in words is "two trillion, one hundred two billion, nine hundred eighty-five million, four hundred twenty-eight thousand, two hundred".