1022020121071 has 2 divisors, whose sum is σ = 1022020121072. Its totient is φ = 1022020121070.

The previous prime is 1022020120997. The next prime is 1022020121081. The reversal of 1022020121071 is 1701210202201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1022020121071 - 2¹⁵ = 1022020088303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022020121081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511010060535 + 511010060536.

It is an arithmetic number, because the mean of its divisors is an integer number (511010060536).

Almost surely, 2^{1022020121071} is an apocalyptic number.

1022020121071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022020121071 is an equidigital number, since it uses as much as digits as its factorization.

1022020121071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 1022020121071 its reverse (1701210202201), we get a palindrome (2723230323272).

The spelling of 1022020121071 in words is "one trillion, twenty-two billion, twenty million, one hundred twenty-one thousand, seventy-one".