1010021000994 has 20 divisors (see below), whose sum is σ = 2263195206294. Its totient is φ = 336673666944.

The previous prime is 1010021000977. The next prime is 1010021001013. The reversal of 1010021000994 is 4990001200101.

It can be written as a sum of positive squares in only one way, i.e., 969171336225 + 40849664769 = 984465^2 + 202113^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3117348607 + ... + 3117348930.

Almost surely, 2^{1010021000994} is an apocalyptic number.

1010021000994 is an abundant number, since it is smaller than the sum of its proper divisors (1253174205300).

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

1010021000994 is an equidigital number, since it uses as much as digits as its factorization.

1010021000994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6234697551 (or 6234697542 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 1010021000994 in words is "one trillion, ten billion, twenty-one million, nine hundred ninety-four", and thus it is an aban number.