1201112211131 has 8 divisors (see below), whose sum is σ = 1372962027744. Its totient is φ = 1029327984000.

The previous prime is 1201112211119. The next prime is 1201112211149. The reversal of 1201112211131 is 1311122111021.

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 1201112211131 - 2²⁶ = 1201045102267 is a prime.

It is a super-2 number, since 2×1201112211131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201112211631) 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, 16358120 + ... + 16431381.

It is an arithmetic number, because the mean of its divisors is an integer number (171620253468).

Almost surely, 2^{1201112211131} is an apocalyptic number.

1201112211131 is a deficient number, since it is larger than the sum of its proper divisors (171849816613).

1201112211131 is an equidigital number, since it uses as much as digits as its factorization.

1201112211131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32794741.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1201112211131 its reverse (1311122111021), we get a palindrome (2512234322152).

The spelling of 1201112211131 in words is "one trillion, two hundred one billion, one hundred twelve million, two hundred eleven thousand, one hundred thirty-one".