2011121120195 has 32 divisors (see below), whose sum is σ = 2717826324480. Its totient is φ = 1415369088000.

The previous prime is 2011121120167. The next prime is 2011121120201. The reversal of 2011121120195 is 5910211211102.

It is not a de Polignac number, because 2011121120195 - 2⁶ = 2011121120131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53741651 + ... + 53779059.

It is an arithmetic number, because the mean of its divisors is an integer number (84932072640).

Almost surely, 2^{2011121120195} is an apocalyptic number.

2011121120195 is a deficient number, since it is larger than the sum of its proper divisors (706705204285).

2011121120195 is a wasteful number, since it uses less digits than its factorization.

2011121120195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68987.

The product of its (nonzero) digits is 360, while the sum is 26.

Adding to 2011121120195 its reverse (5910211211102), we get a palindrome (7921332331297).

The spelling of 2011121120195 in words is "two trillion, eleven billion, one hundred twenty-one million, one hundred twenty thousand, one hundred ninety-five".