21323002112141 has 16 divisors (see below), whose sum is σ = 22513901322240. Its totient is φ = 20164901395440.

The previous prime is 21323002112063. The next prime is 21323002112161. The reversal of 21323002112141 is 14121120032312.

It is a cyclic number.

It is not a de Polignac number, because 21323002112141 - 2²⁶ = 21322935003277 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 (21323002112161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10367111 + ... + 12252468.

It is an arithmetic number, because the mean of its divisors is an integer number (1407118832640).

Almost surely, 2^{21323002112141} is an apocalyptic number.

It is an amenable number.

21323002112141 is a deficient number, since it is larger than the sum of its proper divisors (1190899210099).

21323002112141 is a wasteful number, since it uses less digits than its factorization.

21323002112141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22620304.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 21323002112141 its reverse (14121120032312), we get a palindrome (35444122144453).

The spelling of 21323002112141 in words is "twenty-one trillion, three hundred twenty-three billion, two million, one hundred twelve thousand, one hundred forty-one".