210011202201121 has 32 divisors (see below), whose sum is σ = 217026872203680. Its totient is φ = 203128661606400.

The previous prime is 210011202201061. The next prime is 210011202201149. The reversal of 210011202201121 is 121102202110012.

It can be written as a sum of positive squares in 16 ways, for example, as 89631662760000 + 120379539441121 = 9467400^2 + 10971761^2 .

It is a cyclic number.

It is not a de Polignac number, because 210011202201121 - 2⁷ = 210011202200993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210011202201095 and 210011202201104.

It is not an unprimeable number, because it can be changed into a prime (210011202202121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2030591991 + ... + 2030695411.

It is an arithmetic number, because the mean of its divisors is an integer number (6782089756365).

Almost surely, 2^{210011202201121} is an apocalyptic number.

It is an amenable number.

210011202201121 is a deficient number, since it is larger than the sum of its proper divisors (7015670002559).

210011202201121 is a wasteful number, since it uses less digits than its factorization.

210011202201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104917.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210011202201121 its reverse (121102202110012), we get a palindrome (331113404311133).

The spelling of 210011202201121 in words is "two hundred ten trillion, eleven billion, two hundred two million, two hundred one thousand, one hundred twenty-one".