200102222101 has 2 divisors, whose sum is σ = 200102222102. Its totient is φ = 200102222100.

The previous prime is 200102222093. The next prime is 200102222143. The reversal of 200102222101 is 101222201002.

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., 196807576900 + 3294645201 = 443630^2 + 57399^2 .

It is a cyclic number.

It is not a de Polignac number, because 200102222101 - 2³ = 200102222093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200102222161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100051111050 + 100051111051.

It is an arithmetic number, because the mean of its divisors is an integer number (100051111051).

Almost surely, 2^200102222101 is an apocalyptic number.

It is an amenable number.

200102222101 is a deficient number, since it is larger than the sum of its proper divisors (1).

200102222101 is an equidigital number, since it uses as much as digits as its factorization.

200102222101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200102222101 its reverse (101222201002), we get a palindrome (301324423103).

The spelling of 200102222101 in words is "two hundred billion, one hundred two million, two hundred twenty-two thousand, one hundred one".