22121000100107 has 2 divisors, whose sum is σ = 22121000100108. Its totient is φ = 22121000100106.

The previous prime is 22121000100103. The next prime is 22121000100131. The reversal of 22121000100107 is 70100100012122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22121000100107 - 2² = 22121000100103 is a prime.

It is a super-2 number, since 2×22121000100107² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22121000100103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060500050053 + 11060500050054.

It is an arithmetic number, because the mean of its divisors is an integer number (11060500050054).

Almost surely, 2^{22121000100107} is an apocalyptic number.

22121000100107 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121000100107 is an equidigital number, since it uses as much as digits as its factorization.

22121000100107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 22121000100107 its reverse (70100100012122), we get a palindrome (92221100112229).

The spelling of 22121000100107 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred thousand, one hundred seven".