1201122211201 has 8 divisors (see below), whose sum is σ = 1310756210208. Its totient is φ = 1091561724000.

The previous prime is 1201122211183. The next prime is 1201122211213. The reversal of 1201122211201 is 1021122211021.

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

It is not a de Polignac number, because 1201122211201 - 2¹⁵ = 1201122178433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201122211231) 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, 18343780 + ... + 18409141.

It is an arithmetic number, because the mean of its divisors is an integer number (163844526276).

Almost surely, 2^{1201122211201} is an apocalyptic number.

1201122211201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1201122211201 is a deficient number, since it is larger than the sum of its proper divisors (109633999007).

1201122211201 is a wasteful number, since it uses less digits than its factorization.

1201122211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36755903.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1201122211201 its reverse (1021122211021), we get a palindrome (2222244422222).

The spelling of 1201122211201 in words is "one trillion, two hundred one billion, one hundred twenty-two million, two hundred eleven thousand, two hundred one".