2211111022051 has 2 divisors, whose sum is σ = 2211111022052. Its totient is φ = 2211111022050.

The previous prime is 2211111022039. The next prime is 2211111022069. The reversal of 2211111022051 is 1502201111122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2211111022051 - 2³⁷ = 2073672068579 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211111022451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105555511025 + 1105555511026.

It is an arithmetic number, because the mean of its divisors is an integer number (1105555511026).

Almost surely, 2^{2211111022051} is an apocalyptic number.

2211111022051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211111022051 is an equidigital number, since it uses as much as digits as its factorization.

2211111022051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 19.

Adding to 2211111022051 its reverse (1502201111122), we get a palindrome (3713312133173).

The spelling of 2211111022051 in words is "two trillion, two hundred eleven billion, one hundred eleven million, twenty-two thousand, fifty-one".