210121002202 has 16 divisors (see below), whose sum is σ = 316382320800. Its totient is φ = 104660897040.

The previous prime is 210121002197. The next prime is 210121002209. The reversal of 210121002202 is 202200121012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (210121002209) 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, 464449 + ... + 797467.

It is an arithmetic number, because the mean of its divisors is an integer number (19773895050).

Almost surely, 2^210121002202 is an apocalyptic number.

210121002202 is a deficient number, since it is larger than the sum of its proper divisors (106261318598).

210121002202 is a wasteful number, since it uses less digits than its factorization.

210121002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334221.

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

Adding to 210121002202 its reverse (202200121012), we get a palindrome (412321123214).

The spelling of 210121002202 in words is "two hundred ten billion, one hundred twenty-one million, two thousand, two hundred two".