10221010011990 has 40 divisors (see below), whose sum is σ = 27483160256640. Its totient is φ = 2725602669648.

The previous prime is 10221010011967. The next prime is 10221010011991. The reversal of 10221010011990 is 9911001012201.

It is a super-3 number, since 3×10221010011990³ (a number of 40 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221010011991) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6309264630 + ... + 6309266249.

It is an arithmetic number, because the mean of its divisors is an integer number (687079006416).

Almost surely, 2^{10221010011990} is an apocalyptic number.

10221010011990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221010011990 is an abundant number, since it is smaller than the sum of its proper divisors (17262150244650).

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

10221010011990 is a wasteful number, since it uses less digits than its factorization.

10221010011990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12618530898 (or 12618530889 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The spelling of 10221010011990 in words is "ten trillion, two hundred twenty-one billion, ten million, eleven thousand, nine hundred ninety".