20212111010107 has 2 divisors, whose sum is σ = 20212111010108. Its totient is φ = 20212111010106.

The previous prime is 20212111010093. The next prime is 20212111010159. The reversal of 20212111010107 is 70101011121202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20212111010107 - 2²⁷ = 20211976792379 is a prime.

It is a super-2 number, since 2×20212111010107² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20212111010167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106055505053 + 10106055505054.

It is an arithmetic number, because the mean of its divisors is an integer number (10106055505054).

Almost surely, 2^{20212111010107} is an apocalyptic number.

20212111010107 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212111010107 is an equidigital number, since it uses as much as digits as its factorization.

20212111010107 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 19.

Adding to 20212111010107 its reverse (70101011121202), we get a palindrome (90313122131309).

The spelling of 20212111010107 in words is "twenty trillion, two hundred twelve billion, one hundred eleven million, ten thousand, one hundred seven".