2101222332423 has 32 divisors (see below), whose sum is σ = 3141855467520. Its totient is φ = 1387830075840.

The previous prime is 2101222332403. The next prime is 2101222332457. The reversal of 2101222332423 is 3242332221012.

2101222332423 is a `hidden beast` number, since 2 + 1 + 0 + 1 + 2 + 2 + 233 + 2 + 423 = 666.

It is not a de Polignac number, because 2101222332423 - 2³⁷ = 1963783378951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101222332403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1657611 + ... + 2636307.

It is an arithmetic number, because the mean of its divisors is an integer number (98182983360).

Almost surely, 2^{2101222332423} is an apocalyptic number.

2101222332423 is a deficient number, since it is larger than the sum of its proper divisors (1040633135097).

2101222332423 is a wasteful number, since it uses less digits than its factorization.

2101222332423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979444 (or 979438 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 2101222332423 its reverse (3242332221012), we get a palindrome (5343554553435).

The spelling of 2101222332423 in words is "two trillion, one hundred one billion, two hundred twenty-two million, three hundred thirty-two thousand, four hundred twenty-three".