210022200002121 has 32 divisors (see below), whose sum is σ = 310608341299200. Its totient is φ = 125391018726144.

The previous prime is 210022200002119. The next prime is 210022200002123. The reversal of 210022200002121 is 121200002220012.

It is an interprime number because it is at equal distance from previous prime (210022200002119) and next prime (210022200002123).

It is not a de Polignac number, because 210022200002121 - 2¹ = 210022200002119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210022200002121.

It is not an unprimeable number, because it can be changed into a prime (210022200002123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208014345 + ... + 209021558.

It is an arithmetic number, because the mean of its divisors is an integer number (9706510665600).

Almost surely, 2^{210022200002121} is an apocalyptic number.

It is an amenable number.

210022200002121 is a deficient number, since it is larger than the sum of its proper divisors (100586141297079).

210022200002121 is a wasteful number, since it uses less digits than its factorization.

210022200002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417036305.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210022200002121 its reverse (121200002220012), we get a palindrome (331222202222133).

The spelling of 210022200002121 in words is "two hundred ten trillion, twenty-two billion, two hundred million, two thousand, one hundred twenty-one".