22105311051 has 8 divisors (see below), whose sum is σ = 29973303360. Its totient is φ = 14487096392.

The previous prime is 22105311047. The next prime is 22105311101. The reversal of 22105311051 is 15011350122.

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 22105311051 - 2² = 22105311047 is a prime.

It is a super-2 number, since 2×22105311051² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22105311751) 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, 62444205 + ... + 62444558.

It is an arithmetic number, because the mean of its divisors is an integer number (3746662920).

Almost surely, 2^22105311051 is an apocalyptic number.

22105311051 is a deficient number, since it is larger than the sum of its proper divisors (7867992309).

22105311051 is a wasteful number, since it uses less digits than its factorization.

22105311051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124888825.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 22105311051 its reverse (15011350122), we get a palindrome (37116661173).

The spelling of 22105311051 in words is "twenty-two billion, one hundred five million, three hundred eleven thousand, fifty-one".