1201112022201 has 72 divisors (see below), whose sum is σ = 2017902818880. Its totient is φ = 633356889984.

The previous prime is 1201112022197. The next prime is 1201112022221. The reversal of 1201112022201 is 1022202111021.

It is not a de Polignac number, because 1201112022201 - 2² = 1201112022197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201112022221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 116235231 + ... + 116245563.

It is an arithmetic number, because the mean of its divisors is an integer number (28026428040).

Almost surely, 2^{1201112022201} is an apocalyptic number.

It is an amenable number.

1201112022201 is a deficient number, since it is larger than the sum of its proper divisors (816790796679).

1201112022201 is a wasteful number, since it uses less digits than its factorization.

1201112022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15055 (or 15035 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1201112022201 its reverse (1022202111021), we get a palindrome (2223314133222).

The spelling of 1201112022201 in words is "one trillion, two hundred one billion, one hundred twelve million, twenty-two thousand, two hundred one".