1101122312231 has 8 divisors (see below), whose sum is σ = 1116721927584. Its totient is φ = 1085525220640.

The previous prime is 1101122312209. The next prime is 1101122312237. The reversal of 1101122312231 is 1322132211011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101122312231 is a prime.

It is a super-2 number, since 2×1101122312231² (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 (1101122312237) 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, 256625 + ... + 1506021.

It is an arithmetic number, because the mean of its divisors is an integer number (139590240948).

Almost surely, 2^{1101122312231} is an apocalyptic number.

1101122312231 is a deficient number, since it is larger than the sum of its proper divisors (15599615353).

1101122312231 is a wasteful number, since it uses less digits than its factorization.

1101122312231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261881.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1101122312231 its reverse (1322132211011), we get a palindrome (2423254523242).

The spelling of 1101122312231 in words is "one trillion, one hundred one billion, one hundred twenty-two million, three hundred twelve thousand, two hundred thirty-one".