210121111132202 has 16 divisors (see below), whose sum is σ = 316592841261312. Its totient is φ = 104590701331440.

The previous prime is 210121111132199. The next prime is 210121111132319. The reversal of 210121111132202 is 202231111121012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133538549 + ... + 135102872.

It is an arithmetic number, because the mean of its divisors is an integer number (19787052578832).

Almost surely, 2^{210121111132202} is an apocalyptic number.

210121111132202 is a deficient number, since it is larger than the sum of its proper divisors (106471730129110).

210121111132202 is a wasteful number, since it uses less digits than its factorization.

210121111132202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268643173.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 210121111132202 its reverse (202231111121012), we get a palindrome (412352222253214).

The spelling of 210121111132202 in words is "two hundred ten trillion, one hundred twenty-one billion, one hundred eleven million, one hundred thirty-two thousand, two hundred two".