201202112121011 has 4 divisors (see below), whose sum is σ = 207692502834624. Its totient is φ = 194711721407400.

The previous prime is 201202112120953. The next prime is 201202112121029. The reversal of 201202112121011 is 110121211202102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201202112121011 - 2²² = 201202107926707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201202112121211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3245195356760 + ... + 3245195356821.

It is an arithmetic number, because the mean of its divisors is an integer number (51923125708656).

Almost surely, 2^{201202112121011} is an apocalyptic number.

201202112121011 is a deficient number, since it is larger than the sum of its proper divisors (6490390713613).

201202112121011 is an equidigital number, since it uses as much as digits as its factorization.

201202112121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490390713612.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201202112121011 its reverse (110121211202102), we get a palindrome (311323323323113).

The spelling of 201202112121011 in words is "two hundred one trillion, two hundred two billion, one hundred twelve million, one hundred twenty-one thousand, eleven".