211120200110121 has 16 divisors (see below), whose sum is σ = 294472189238400. Its totient is φ = 134366569301888.

The previous prime is 211120200110107. The next prime is 211120200110153. The reversal of 211120200110121 is 121011002021112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 211120200110121 - 2⁵ = 211120200110089 is a prime.

It is a super-3 number, since 3×211120200110121³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211120200110121.

It is not an unprimeable number, because it can be changed into a prime (211120200110191) 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, 13632963981 + ... + 13632979466.

It is an arithmetic number, because the mean of its divisors is an integer number (18404511827400).

Almost surely, 2^{211120200110121} is an apocalyptic number.

It is an amenable number.

211120200110121 is a deficient number, since it is larger than the sum of its proper divisors (83351989128279).

211120200110121 is a wasteful number, since it uses less digits than its factorization.

211120200110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27265943568.

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

Adding to 211120200110121 its reverse (121011002021112), we get a palindrome (332131202131233).

The spelling of 211120200110121 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred million, one hundred ten thousand, one hundred twenty-one".