201120102220057 has 2 divisors, whose sum is σ = 201120102220058. Its totient is φ = 201120102220056.

The previous prime is 201120102220049. The next prime is 201120102220127. The reversal of 201120102220057 is 750022201021102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200914295731776 + 205806488281 = 14174424^2 + 453659^2 .

It is a cyclic number.

It is not a de Polignac number, because 201120102220057 - 2³ = 201120102220049 is a prime.

It is not a weakly prime, because it can be changed into another prime (201120102220027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560051110028 + 100560051110029.

It is an arithmetic number, because the mean of its divisors is an integer number (100560051110029).

Almost surely, 2^{201120102220057} is an apocalyptic number.

It is an amenable number.

201120102220057 is a deficient number, since it is larger than the sum of its proper divisors (1).

201120102220057 is an equidigital number, since it uses as much as digits as its factorization.

201120102220057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

Adding to 201120102220057 its reverse (750022201021102), we get a palindrome (951142303241159).

The spelling of 201120102220057 in words is "two hundred one trillion, one hundred twenty billion, one hundred two million, two hundred twenty thousand, fifty-seven".