1201111111201 has 8 divisors (see below), whose sum is σ = 1212239286720. Its totient is φ = 1190029791888.

The previous prime is 1201111111183. The next prime is 1201111111223. The reversal of 1201111111201 is 1021111111021.

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 1201111111201 - 2³⁷ = 1063672157729 is a prime.

It is a super-3 number, since 3×1201111111201³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201111111601) 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, 11662546 + ... + 11765083.

It is an arithmetic number, because the mean of its divisors is an integer number (151529910840).

Almost surely, 2^{1201111111201} is an apocalyptic number.

It is an amenable number.

1201111111201 is a deficient number, since it is larger than the sum of its proper divisors (11128175519).

1201111111201 is a wasteful number, since it uses less digits than its factorization.

1201111111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23428103.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1201111111201 its reverse (1021111111021), we get a palindrome (2222222222222).

The spelling of 1201111111201 in words is "one trillion, two hundred one billion, one hundred eleven million, one hundred eleven thousand, two hundred one".