201011201121 has 8 divisors (see below), whose sum is σ = 268021401120. Its totient is φ = 134004234272.

The previous prime is 201011201107. The next prime is 201011201161. The reversal of 201011201121 is 121102110102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201011201121 - 2⁵ = 201011201089 is a prime.

It is a super-2 number, since 2×201011201121² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201011201097 and 201011201106.

It is not an unprimeable number, because it can be changed into a prime (201011201161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659295 + ... + 914708.

It is an arithmetic number, because the mean of its divisors is an integer number (33502675140).

Almost surely, 2^201011201121 is an apocalyptic number.

It is an amenable number.

201011201121 is a deficient number, since it is larger than the sum of its proper divisors (67010199999).

201011201121 is a wasteful number, since it uses less digits than its factorization.

201011201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616575.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201011201121 its reverse (121102110102), we get a palindrome (322113311223).

The spelling of 201011201121 in words is "two hundred one billion, eleven million, two hundred one thousand, one hundred twenty-one".