10221000129983 has 4 divisors (see below), whose sum is σ = 10257373796208. Its totient is φ = 10184626463760.

The previous prime is 10221000129887. The next prime is 10221000130043. The reversal of 10221000129983 is 38992100012201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10221000129983 - 2³⁶ = 10152280653247 is a prime.

It is a super-2 number, since 2×10221000129983² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221000129083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18186832691 + ... + 18186833252.

It is an arithmetic number, because the mean of its divisors is an integer number (2564343449052).

Almost surely, 2^{10221000129983} is an apocalyptic number.

10221000129983 is a deficient number, since it is larger than the sum of its proper divisors (36373666225).

10221000129983 is an equidigital number, since it uses as much as digits as its factorization.

10221000129983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36373666224.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 10221000129983 in words is "ten trillion, two hundred twenty-one billion, one hundred twenty-nine thousand, nine hundred eighty-three".