1009212021102 has 64 divisors (see below), whose sum is σ = 2145514962240. Its totient is φ = 316473070592.

The previous prime is 1009212021089. The next prime is 1009212021131. The reversal of 1009212021102 is 2011202129001.

It is a congruent number.

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, 79377898 + ... + 79390610.

It is an arithmetic number, because the mean of its divisors is an integer number (33523671285).

Almost surely, 2^{1009212021102} is an apocalyptic number.

1009212021102 is an abundant number, since it is smaller than the sum of its proper divisors (1136302941138).

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

1009212021102 is a wasteful number, since it uses less digits than its factorization.

1009212021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15462 (or 15428 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 1009212021102 in words is "one trillion, nine billion, two hundred twelve million, twenty-one thousand, one hundred two".