201122000211989 has 2 divisors, whose sum is σ = 201122000211990. Its totient is φ = 201122000211988.

The previous prime is 201122000211961. The next prime is 201122000212037. The reversal of 201122000211989 is 989112000221102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194249502024964 + 6872498187025 = 13937342^2 + 2621545^2 .

It is a cyclic number.

It is not a de Polignac number, because 201122000211989 - 2¹² = 201122000207893 is a prime.

It is a super-2 number, since 2×201122000211989² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201122000211959) 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, 100561000105994 + 100561000105995.

It is an arithmetic number, because the mean of its divisors is an integer number (100561000105995).

Almost surely, 2^{201122000211989} is an apocalyptic number.

It is an amenable number.

201122000211989 is a deficient number, since it is larger than the sum of its proper divisors (1).

201122000211989 is an equidigital number, since it uses as much as digits as its factorization.

201122000211989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 38.

The spelling of 201122000211989 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred eleven thousand, nine hundred eighty-nine".