22151500201 has 2 divisors, whose sum is σ = 22151500202. Its totient is φ = 22151500200.

The previous prime is 22151500193. The next prime is 22151500243. The reversal of 22151500201 is 10200515122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12615782400 + 9535717801 = 112320^2 + 97651^2 .

It is a cyclic number.

It is not a de Polignac number, because 22151500201 - 2³ = 22151500193 is a prime.

It is a super-2 number, since 2×22151500201² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22151503201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11075750100 + 11075750101.

It is an arithmetic number, because the mean of its divisors is an integer number (11075750101).

Almost surely, 2^22151500201 is an apocalyptic number.

It is an amenable number.

22151500201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22151500201 is an equidigital number, since it uses as much as digits as its factorization.

22151500201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 19.

The spelling of 22151500201 in words is "twenty-two billion, one hundred fifty-one million, five hundred thousand, two hundred one".