200202102121 has 8 divisors (see below), whose sum is σ = 228912261824. Its totient is φ = 171519407280.

The previous prime is 200202102091. The next prime is 200202102143. The reversal of 200202102121 is 121201202002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200202102121 - 2⁷ = 200202101993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200202103121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6850590 + ... + 6879751.

It is an arithmetic number, because the mean of its divisors is an integer number (28614032728).

Almost surely, 2^200202102121 is an apocalyptic number.

It is an amenable number.

200202102121 is a deficient number, since it is larger than the sum of its proper divisors (28710159703).

200202102121 is a wasteful number, since it uses less digits than its factorization.

200202102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13732431.

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

Adding to 200202102121 its reverse (121201202002), we get a palindrome (321403304123).

The spelling of 200202102121 in words is "two hundred billion, two hundred two million, one hundred two thousand, one hundred twenty-one".