20211132102123 has 8 divisors (see below), whose sum is σ = 26948687029200. Its totient is φ = 13473832621568.

The previous prime is 20211132102079. The next prime is 20211132102157. The reversal of 20211132102123 is 32120123111202.

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 20211132102123 - 2²⁸ = 20210863666667 is a prime.

It is a super-2 number, since 2×20211132102123² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20211132102123.

It is not an unprimeable number, because it can be changed into a prime (20211132102193) 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, 63676938 + ... + 63993551.

It is an arithmetic number, because the mean of its divisors is an integer number (3368585878650).

Almost surely, 2^{20211132102123} is an apocalyptic number.

20211132102123 is a deficient number, since it is larger than the sum of its proper divisors (6737554927077).

20211132102123 is a wasteful number, since it uses less digits than its factorization.

20211132102123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127723261.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20211132102123 its reverse (32120123111202), we get a palindrome (52331255213325).

The spelling of 20211132102123 in words is "twenty trillion, two hundred eleven billion, one hundred thirty-two million, one hundred two thousand, one hundred twenty-three".