12101221100023 has 8 divisors (see below), whose sum is σ = 13202153842320. Its totient is φ = 11000425313280.

The previous prime is 12101221100009. The next prime is 12101221100063. The reversal of 12101221100023 is 32000112210121.

12101221100023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12101221100023 - 2⁵ = 12101221099991 is a prime.

It is a super-2 number, since 2×12101221100023² (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 (12101221100063) 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, 34054090 + ... + 34407607.

It is an arithmetic number, because the mean of its divisors is an integer number (1650269230290).

Almost surely, 2^{12101221100023} is an apocalyptic number.

12101221100023 is a deficient number, since it is larger than the sum of its proper divisors (1100932742297).

12101221100023 is a wasteful number, since it uses less digits than its factorization.

12101221100023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68477777.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12101221100023 its reverse (32000112210121), we get a palindrome (44101333310144).

The spelling of 12101221100023 in words is "twelve trillion, one hundred one billion, two hundred twenty-one million, one hundred thousand, twenty-three".