2132312111021 has 8 divisors (see below), whose sum is σ = 2142459530784. Its totient is φ = 2122171305520.

The previous prime is 2132312111003. The next prime is 2132312111023. The reversal of 2132312111021 is 1201112132312.

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 2132312111021 - 2³⁴ = 2115132241837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2132312110984 and 2132312111002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132312111023) 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, 1006670 + ... + 2297391.

It is an arithmetic number, because the mean of its divisors is an integer number (267807441348).

Almost surely, 2^{2132312111021} is an apocalyptic number.

It is an amenable number.

2132312111021 is a deficient number, since it is larger than the sum of its proper divisors (10147419763).

2132312111021 is a wasteful number, since it uses less digits than its factorization.

2132312111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307131.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2132312111021 its reverse (1201112132312), we get a palindrome (3333424243333).

The spelling of 2132312111021 in words is "two trillion, one hundred thirty-two billion, three hundred twelve million, one hundred eleven thousand, twenty-one".