1020221116051 has 2 divisors, whose sum is σ = 1020221116052. Its totient is φ = 1020221116050.

The previous prime is 1020221115941. The next prime is 1020221116063. The reversal of 1020221116051 is 1506111220201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020221116051 - 2¹³ = 1020221107859 is a prime.

It is a super-2 number, since 2×1020221116051² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1020221116751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510110558025 + 510110558026.

It is an arithmetic number, because the mean of its divisors is an integer number (510110558026).

Almost surely, 2^{1020221116051} is an apocalyptic number.

1020221116051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020221116051 is an equidigital number, since it uses as much as digits as its factorization.

1020221116051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 1020221116051 its reverse (1506111220201), we get a palindrome (2526332336252).

The spelling of 1020221116051 in words is "one trillion, twenty billion, two hundred twenty-one million, one hundred sixteen thousand, fifty-one".