210121200202022 has 8 divisors (see below), whose sum is σ = 317663546762496. Its totient is φ = 104233351281192.

The previous prime is 210121200201977. The next prime is 210121200202033. The reversal of 210121200202022 is 220202002121012.

It is a happy number.

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

It is a super-2 number, since 2×210121200202022² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413624409593 + ... + 413624410100.

It is an arithmetic number, because the mean of its divisors is an integer number (39707943345312).

Almost surely, 2^{210121200202022} is an apocalyptic number.

210121200202022 is a deficient number, since it is larger than the sum of its proper divisors (107542346560474).

210121200202022 is a wasteful number, since it uses less digits than its factorization.

210121200202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827248819822.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 210121200202022 its reverse (220202002121012), we get a palindrome (430323202323034).

The spelling of 210121200202022 in words is "two hundred ten trillion, one hundred twenty-one billion, two hundred million, two hundred two thousand, twenty-two".