22142120021045 has 16 divisors (see below), whose sum is σ = 26893450068480. Its totient is φ = 17498786219904.

The previous prime is 22142120021029. The next prime is 22142120021111. The reversal of 22142120021045 is 54012002124122.

It is a cyclic number.

It is not a de Polignac number, because 22142120021045 - 2⁴ = 22142120021029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22064729 + ... + 23046398.

It is an arithmetic number, because the mean of its divisors is an integer number (1680840629280).

Almost surely, 2^{22142120021045} is an apocalyptic number.

It is an amenable number.

22142120021045 is a deficient number, since it is larger than the sum of its proper divisors (4751330047435).

22142120021045 is a wasteful number, since it uses less digits than its factorization.

22142120021045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45112324.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 22142120021045 its reverse (54012002124122), we get a palindrome (76154122145167).

The spelling of 22142120021045 in words is "twenty-two trillion, one hundred forty-two billion, one hundred twenty million, twenty-one thousand, forty-five".