200102197922981 has 2 divisors, whose sum is σ = 200102197922982. Its totient is φ = 200102197922980.

The previous prime is 200102197922969. The next prime is 200102197922993. The reversal of 200102197922981 is 189229791201002.

It is a balanced prime because it is at equal distance from previous prime (200102197922969) and next prime (200102197922993).

It can be written as a sum of positive squares in only one way, i.e., 128060569468225 + 72041628454756 = 11316385^2 + 8487734^2 .

It is a cyclic number.

It is not a de Polignac number, because 200102197922981 - 2³⁰ = 200101124181157 is a prime.

It is a super-2 number, since 2×200102197922981² (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 (200102197922951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100051098961490 + 100051098961491.

It is an arithmetic number, because the mean of its divisors is an integer number (100051098961491).

Almost surely, 2^{200102197922981} is an apocalyptic number.

It is an amenable number.

200102197922981 is a deficient number, since it is larger than the sum of its proper divisors (1).

200102197922981 is an equidigital number, since it uses as much as digits as its factorization.

200102197922981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 53.

The spelling of 200102197922981 in words is "two hundred trillion, one hundred two billion, one hundred ninety-seven million, nine hundred twenty-two thousand, nine hundred eighty-one".