22151551141331 has 32 divisors (see below), whose sum is σ = 22454160261120. Its totient is φ = 21851760420000.

The previous prime is 22151551141231. The next prime is 22151551141333. The reversal of 22151551141331 is 13314115515122.

It is a cyclic number.

It is not a de Polignac number, because 22151551141331 - 2¹⁸ = 22151550879187 is a prime.

It is a super-2 number, since 2×22151551141331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22151551141291 and 22151551141300.

It is not an unprimeable number, because it can be changed into a prime (22151551141333) 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, 19245482606 + ... + 19245483756.

It is an arithmetic number, because the mean of its divisors is an integer number (701692508160).

Almost surely, 2^{22151551141331} is an apocalyptic number.

22151551141331 is a deficient number, since it is larger than the sum of its proper divisors (302609119789).

22151551141331 is a wasteful number, since it uses less digits than its factorization.

22151551141331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847.

The product of its digits is 18000, while the sum is 35.

Adding to 22151551141331 its reverse (13314115515122), we get a palindrome (35465666656453).

The spelling of 22151551141331 in words is "twenty-two trillion, one hundred fifty-one billion, five hundred fifty-one million, one hundred forty-one thousand, three hundred thirty-one".