201120222121211 has 24 divisors (see below), whose sum is σ = 205408498268064. Its totient is φ = 196884439395840.

The previous prime is 201120222121129. The next prime is 201120222121219. The reversal of 201120222121211 is 112121222021102.

It is a de Polignac number, because none of the positive numbers 2^k-201120222121211 is a prime.

It is a super-2 number, since 2×201120222121211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201120222121219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14541257066 + ... + 14541270896.

It is an arithmetic number, because the mean of its divisors is an integer number (8558687427836).

Almost surely, 2^{201120222121211} is an apocalyptic number.

201120222121211 is a deficient number, since it is larger than the sum of its proper divisors (4288276146853).

201120222121211 is a wasteful number, since it uses less digits than its factorization.

201120222121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24791 (or 24654 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 201120222121211 its reverse (112121222021102), we get a palindrome (313241444142313).

The spelling of 201120222121211 in words is "two hundred one trillion, one hundred twenty billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred eleven".