1022121002051 has 2 divisors, whose sum is σ = 1022121002052. Its totient is φ = 1022121002050.

The previous prime is 1022121002033. The next prime is 1022121002141. The reversal of 1022121002051 is 1502001212201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022121002051 - 2⁶ = 1022121001987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022121002251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511060501025 + 511060501026.

It is an arithmetic number, because the mean of its divisors is an integer number (511060501026).

Almost surely, 2^{1022121002051} is an apocalyptic number.

1022121002051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022121002051 is an equidigital number, since it uses as much as digits as its factorization.

1022121002051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 1022121002051 its reverse (1502001212201), we get a palindrome (2524122214252).

The spelling of 1022121002051 in words is "one trillion, twenty-two billion, one hundred twenty-one million, two thousand, fifty-one".