1121201012231 has 8 divisors (see below), whose sum is σ = 1180882986624. Its totient is φ = 1062430213240.

The previous prime is 1121201012219. The next prime is 1121201012249. The reversal of 1121201012231 is 1322101021211.

It is a happy number.

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 1121201012231 - 2⁶ = 1121201012167 is a prime.

It is a super-2 number, since 2×1121201012231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121201012131) 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, 227791325 + ... + 227796246.

It is an arithmetic number, because the mean of its divisors is an integer number (147610373328).

Almost surely, 2^{1121201012231} is an apocalyptic number.

1121201012231 is a deficient number, since it is larger than the sum of its proper divisors (59681974393).

1121201012231 is a wasteful number, since it uses less digits than its factorization.

1121201012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455587701.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1121201012231 its reverse (1322101021211), we get a palindrome (2443302033442).

The spelling of 1121201012231 in words is "one trillion, one hundred twenty-one billion, two hundred one million, twelve thousand, two hundred thirty-one".