121320123200211 has 16 divisors (see below), whose sum is σ = 174213021223584. Its totient is φ = 74654351326464.

The previous prime is 121320123200209. The next prime is 121320123200231. The reversal of 121320123200211 is 112002321023121.

It is not a de Polignac number, because 121320123200211 - 2¹ = 121320123200209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121320123200231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86504346 + ... + 87895631.

It is an arithmetic number, because the mean of its divisors is an integer number (10888313826474).

Almost surely, 2^{121320123200211} is an apocalyptic number.

121320123200211 is a deficient number, since it is larger than the sum of its proper divisors (52892898023373).

121320123200211 is a wasteful number, since it uses less digits than its factorization.

121320123200211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174417830.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121320123200211 its reverse (112002321023121), we get a palindrome (233322444223332).

The spelling of 121320123200211 in words is "one hundred twenty-one trillion, three hundred twenty billion, one hundred twenty-three million, two hundred thousand, two hundred eleven".