21032032123101 has 4 divisors (see below), whose sum is σ = 28042709497472. Its totient is φ = 14021354748732.

The previous prime is 21032032123079. The next prime is 21032032123133. The reversal of 21032032123101 is 10132123023012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 21032032123101 - 2¹⁴ = 21032032106717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21032032123901) 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, 3505338687181 + ... + 3505338687186.

It is an arithmetic number, because the mean of its divisors is an integer number (7010677374368).

Almost surely, 2^{21032032123101} is an apocalyptic number.

It is an amenable number.

21032032123101 is a deficient number, since it is larger than the sum of its proper divisors (7010677374371).

21032032123101 is an equidigital number, since it uses as much as digits as its factorization.

21032032123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7010677374370.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21032032123101 its reverse (10132123023012), we get a palindrome (31164155146113).

The spelling of 21032032123101 in words is "twenty-one trillion, thirty-two billion, thirty-two million, one hundred twenty-three thousand, one hundred one".