121322111013210 has 32 divisors (see below), whose sum is σ = 299042608770432. Its totient is φ = 31478169343680.

The previous prime is 121322111013203. The next prime is 121322111013277. The reversal of 121322111013210 is 12310111223121.

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, 54649598446 + ... + 54649600665.

It is an arithmetic number, because the mean of its divisors is an integer number (9345081524076).

Almost surely, 2^{121322111013210} is an apocalyptic number.

121322111013210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121322111013210 is an abundant number, since it is smaller than the sum of its proper divisors (177720497757222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121322111013210 is a wasteful number, since it uses less digits than its factorization.

121322111013210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109299199158.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 121322111013210 its reverse (12310111223121), we get a palindrome (133632222236331).

The spelling of 121322111013210 in words is "one hundred twenty-one trillion, three hundred twenty-two billion, one hundred eleven million, thirteen thousand, two hundred ten".