2202120201181 has 2 divisors, whose sum is σ = 2202120201182. Its totient is φ = 2202120201180.

The previous prime is 2202120201137. The next prime is 2202120201217. The reversal of 2202120201181 is 1811020212022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1606188696025 + 595931505156 = 1267355^2 + 771966^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202120201181 - 2¹⁷ = 2202120070109 is a prime.

It is a super-2 number, since 2×2202120201181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2202120201481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101060100590 + 1101060100591.

It is an arithmetic number, because the mean of its divisors is an integer number (1101060100591).

Almost surely, 2^{2202120201181} is an apocalyptic number.

It is an amenable number.

2202120201181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202120201181 is an equidigital number, since it uses as much as digits as its factorization.

2202120201181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 22.

The spelling of 2202120201181 in words is "two trillion, two hundred two billion, one hundred twenty million, two hundred one thousand, one hundred eighty-one".