1101120020231 has 32 divisors (see below), whose sum is σ = 1375353907200. Its totient is φ = 856436392800.

The previous prime is 1101120020207. The next prime is 1101120020237. The reversal of 1101120020231 is 1320200211011.

It is a cyclic number.

It is not a de Polignac number, because 1101120020231 - 2³⁰ = 1100046278407 is a prime.

It is a super-2 number, since 2×1101120020231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101120020237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126575720 + ... + 126584418.

It is an arithmetic number, because the mean of its divisors is an integer number (42979809600).

Almost surely, 2^{1101120020231} is an apocalyptic number.

1101120020231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101120020231 is a deficient number, since it is larger than the sum of its proper divisors (274233886969).

1101120020231 is a wasteful number, since it uses less digits than its factorization.

1101120020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11555.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1101120020231 its reverse (1320200211011), we get a palindrome (2421320231242).

The spelling of 1101120020231 in words is "one trillion, one hundred one billion, one hundred twenty million, twenty thousand, two hundred thirty-one".