121101101201210 has 32 divisors (see below), whose sum is σ = 234787673070720. Its totient is φ = 44707043965248.

The previous prime is 121101101201167. The next prime is 121101101201317. The reversal of 121101101201210 is 12102101101121.

It is a super-2 number, since 2×121101101201210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74282030 + ... + 75894809.

It is an arithmetic number, because the mean of its divisors is an integer number (7337114783460).

Almost surely, 2^{121101101201210} is an apocalyptic number.

121101101201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121101101201210 is a deficient number, since it is larger than the sum of its proper divisors (113686571869510).

121101101201210 is a wasteful number, since it uses less digits than its factorization.

121101101201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150183062.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121101101201210 its reverse (12102101101121), we get a palindrome (133203202302331).

The spelling of 121101101201210 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred one million, two hundred one thousand, two hundred ten".