1021010123099 has 8 divisors (see below), whose sum is σ = 1035409920768. Its totient is φ = 1006610863720.

The previous prime is 1021010123083. The next prime is 1021010123123. The reversal of 1021010123099 is 9903210101201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1021010123099 - 2⁴ = 1021010123083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021010123039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5124074 + ... + 5319600.

It is an arithmetic number, because the mean of its divisors is an integer number (129426240096).

Almost surely, 2^{1021010123099} is an apocalyptic number.

1021010123099 is a deficient number, since it is larger than the sum of its proper divisors (14399797669).

1021010123099 is an equidigital number, since it uses as much as digits as its factorization.

1021010123099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269145.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 1021010123099 in words is "one trillion, twenty-one billion, ten million, one hundred twenty-three thousand, ninety-nine".