1201112222331 has 16 divisors (see below), whose sum is σ = 1893378873600. Its totient is φ = 662682605088.

The previous prime is 1201112222327. The next prime is 1201112222347. The reversal of 1201112222331 is 1332222111021.

It is not a de Polignac number, because 1201112222331 - 2² = 1201112222327 is a prime.

It is a super-2 number, since 2×1201112222331² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1201112222298 and 1201112222307.

It is not an unprimeable number, because it can be changed into a prime (1201112222371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 986134221 + ... + 986135438.

It is an arithmetic number, because the mean of its divisors is an integer number (118336179600).

Almost surely, 2^{1201112222331} is an apocalyptic number.

1201112222331 is a deficient number, since it is larger than the sum of its proper divisors (692266651269).

1201112222331 is a wasteful number, since it uses less digits than its factorization.

1201112222331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972269698.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1201112222331 its reverse (1332222111021), we get a palindrome (2533334333352).

The spelling of 1201112222331 in words is "one trillion, two hundred one billion, one hundred twelve million, two hundred twenty-two thousand, three hundred thirty-one".