22212000021151 has 2 divisors, whose sum is σ = 22212000021152. Its totient is φ = 22212000021150.

The previous prime is 22212000020963. The next prime is 22212000021181. The reversal of 22212000021151 is 15112000021222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22212000021151 - 2²³ = 22211991632543 is a prime.

It is a super-2 number, since 2×22212000021151² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22212000021181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106000010575 + 11106000010576.

It is an arithmetic number, because the mean of its divisors is an integer number (11106000010576).

Almost surely, 2^{22212000021151} is an apocalyptic number.

22212000021151 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212000021151 is an equidigital number, since it uses as much as digits as its factorization.

22212000021151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 22212000021151 its reverse (15112000021222), we get a palindrome (37324000042373).

The spelling of 22212000021151 in words is "twenty-two trillion, two hundred twelve billion, twenty-one thousand, one hundred fifty-one".