1122020101957 has 2 divisors, whose sum is σ = 1122020101958. Its totient is φ = 1122020101956.

The previous prime is 1122020101933. The next prime is 1122020102033. The reversal of 1122020101957 is 7591010202211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1110918108001 + 11101993956 = 1054001^2 + 105366^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122020101957 - 2¹⁵ = 1122020069189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122020105957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561010050978 + 561010050979.

It is an arithmetic number, because the mean of its divisors is an integer number (561010050979).

Almost surely, 2^{1122020101957} is an apocalyptic number.

It is an amenable number.

1122020101957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122020101957 is an equidigital number, since it uses as much as digits as its factorization.

1122020101957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 31.

The spelling of 1122020101957 in words is "one trillion, one hundred twenty-two billion, twenty million, one hundred one thousand, nine hundred fifty-seven".