1100121332231 has 32 divisors (see below), whose sum is σ = 1238030956800. Its totient is φ = 971410890240.

The previous prime is 1100121332227. The next prime is 1100121332239. The reversal of 1100121332231 is 1322331210011.

It is a happy number.

It is not a de Polignac number, because 1100121332231 - 2² = 1100121332227 is a prime.

It is a super-2 number, since 2×1100121332231² (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 (1100121332239) 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, 78962336 + ... + 78976266.

It is an arithmetic number, because the mean of its divisors is an integer number (38688467400).

Almost surely, 2^{1100121332231} is an apocalyptic number.

1100121332231 is a deficient number, since it is larger than the sum of its proper divisors (137909624569).

1100121332231 is a wasteful number, since it uses less digits than its factorization.

1100121332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16319.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1100121332231 its reverse (1322331210011), we get a palindrome (2422452542242).

The spelling of 1100121332231 in words is "one trillion, one hundred billion, one hundred twenty-one million, three hundred thirty-two thousand, two hundred thirty-one".