201121011211210 has 16 divisors (see below), whose sum is σ = 362018238763392. Its totient is φ = 80448311466000.

The previous prime is 201121011211181. The next prime is 201121011211271. The reversal of 201121011211210 is 12112110121102.

It is a super-2 number, since 2×201121011211210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2180766 + ... + 20174185.

It is an arithmetic number, because the mean of its divisors is an integer number (22626139922712).

Almost surely, 2^{201121011211210} is an apocalyptic number.

201121011211210 is a deficient number, since it is larger than the sum of its proper divisors (160897227552182).

201121011211210 is a wasteful number, since it uses less digits than its factorization.

201121011211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23254629.

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

Adding to 201121011211210 its reverse (12112110121102), we get a palindrome (213233121332312).

The spelling of 201121011211210 in words is "two hundred one trillion, one hundred twenty-one billion, eleven million, two hundred eleven thousand, two hundred ten".