210121242101222 has 32 divisors (see below), whose sum is σ = 332699688619200. Its totient is φ = 99328105248768.

The previous prime is 210121242101219. The next prime is 210121242101231. The reversal of 210121242101222 is 222101242121012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2276054 + ... + 20625782.

It is an arithmetic number, because the mean of its divisors is an integer number (10396865269350).

Almost surely, 2^{210121242101222} is an apocalyptic number.

210121242101222 is a deficient number, since it is larger than the sum of its proper divisors (122578446517978).

210121242101222 is a wasteful number, since it uses less digits than its factorization.

210121242101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18352640.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 210121242101222 its reverse (222101242121012), we get a palindrome (432222484222234).

The spelling of 210121242101222 in words is "two hundred ten trillion, one hundred twenty-one billion, two hundred forty-two million, one hundred one thousand, two hundred twenty-two".