1230111012021 has 8 divisors (see below), whose sum is σ = 1640162075424. Its totient is φ = 820066978320.

The previous prime is 1230111011953. The next prime is 1230111012023. The reversal of 1230111012021 is 1202101110321.

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

It is not a de Polignac number, because 1230111012021 - 2²⁵ = 1230077457589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230111012023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1334586 + ... + 2059451.

It is an arithmetic number, because the mean of its divisors is an integer number (205020259428).

Almost surely, 2^{1230111012021} is an apocalyptic number.

It is an amenable number.

1230111012021 is a deficient number, since it is larger than the sum of its proper divisors (410051063403).

1230111012021 is a wasteful number, since it uses less digits than its factorization.

1230111012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514851.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1230111012021 its reverse (1202101110321), we get a palindrome (2432212122342).

The spelling of 1230111012021 in words is "one trillion, two hundred thirty billion, one hundred eleven million, twelve thousand, twenty-one".