200122101 has 12 divisors (see below), whose sum is σ = 289729440. Its totient is φ = 133108200.

The previous prime is 200122093. The next prime is 200122121. The reversal of 200122101 is 101221002.

It is not a de Polignac number, because 200122101 - 2³ = 200122093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200122121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21375 + ... + 29276.

It is an arithmetic number, because the mean of its divisors is an integer number (24144120).

Almost surely, 2^200122101 is an apocalyptic number.

It is an amenable number.

200122101 is a deficient number, since it is larger than the sum of its proper divisors (89607339).

200122101 is a wasteful number, since it uses less digits than its factorization.

200122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51096 (or 51093 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 200122101 is about 14146.4518873108. The cubic root of 200122101 is about 584.9225319290.

Adding to 200122101 its reverse (101221002), we get a palindrome (301343103).

The spelling of 200122101 in words is "two hundred million, one hundred twenty-two thousand, one hundred one".