20112002132231 has 8 divisors (see below), whose sum is σ = 20149172534400. Its totient is φ = 20074864296312.

The previous prime is 20112002132197. The next prime is 20112002132263. The reversal of 20112002132231 is 13223120021102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20112002132231 is a prime.

It is a super-2 number, since 2×20112002132231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112002135231) 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, 6905105 + ... + 9375738.

It is an arithmetic number, because the mean of its divisors is an integer number (2518646566800).

Almost surely, 2^{20112002132231} is an apocalyptic number.

20112002132231 is a deficient number, since it is larger than the sum of its proper divisors (37170402169).

20112002132231 is a wasteful number, since it uses less digits than its factorization.

20112002132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16283125.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20112002132231 its reverse (13223120021102), we get a palindrome (33335122153333).

The spelling of 20112002132231 in words is "twenty trillion, one hundred twelve billion, two million, one hundred thirty-two thousand, two hundred thirty-one".