201000102222061 has 2 divisors, whose sum is σ = 201000102222062. Its totient is φ = 201000102222060.

The previous prime is 201000102221981. The next prime is 201000102222079. The reversal of 201000102222061 is 160222201000102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153898042969225 + 47102059252836 = 12405565^2 + 6863094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201000102222061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201000102262061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500051111030 + 100500051111031.

It is an arithmetic number, because the mean of its divisors is an integer number (100500051111031).

Almost surely, 2^{201000102222061} is an apocalyptic number.

It is an amenable number.

201000102222061 is a deficient number, since it is larger than the sum of its proper divisors (1).

201000102222061 is an equidigital number, since it uses as much as digits as its factorization.

201000102222061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201000102222061 its reverse (160222201000102), we get a palindrome (361222303222163).

The spelling of 201000102222061 in words is "two hundred one trillion, one hundred two million, two hundred twenty-two thousand, sixty-one".