200102222021 has 16 divisors (see below), whose sum is σ = 220544474304. Its totient is φ = 180382857984.

The previous prime is 200102221981. The next prime is 200102222051. The reversal of 200102222021 is 120222201002.

It is a cyclic number.

It is not a de Polignac number, because 200102222021 - 2¹⁴ = 200102205637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200102221987 and 200102222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200102222051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3564845 + ... + 3620541.

It is an arithmetic number, because the mean of its divisors is an integer number (13784029644).

Almost surely, 2^200102222021 is an apocalyptic number.

It is an amenable number.

200102222021 is a deficient number, since it is larger than the sum of its proper divisors (20442252283).

200102222021 is a wasteful number, since it uses less digits than its factorization.

200102222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62180.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 200102222021 its reverse (120222201002), we get a palindrome (320324423023).

The spelling of 200102222021 in words is "two hundred billion, one hundred two million, two hundred twenty-two thousand, twenty-one".