201121101411 has 16 divisors (see below), whose sum is σ = 268734991104. Its totient is φ = 133794277344.

The previous prime is 201121101359. The next prime is 201121101421. The reversal of 201121101411 is 114101121102.

It is a happy number.

It is not a de Polignac number, because 201121101411 - 2¹⁴ = 201121085027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201121101421) 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, 2674650 + ... + 2748816.

It is an arithmetic number, because the mean of its divisors is an integer number (16795936944).

Almost surely, 2^201121101411 is an apocalyptic number.

201121101411 is a deficient number, since it is larger than the sum of its proper divisors (67613889693).

201121101411 is a wasteful number, since it uses less digits than its factorization.

201121101411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76090.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201121101411 its reverse (114101121102), we get a palindrome (315222222513).

The spelling of 201121101411 in words is "two hundred one billion, one hundred twenty-one million, one hundred one thousand, four hundred eleven".