1101212233331 has 8 divisors (see below), whose sum is σ = 1265049140064. Its totient is φ = 939005544960.

The previous prime is 1101212233301. The next prime is 1101212233337. The reversal of 1101212233331 is 1333322121011.

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

It is a de Polignac number, because none of the positive numbers 2^k-1101212233331 is a prime.

It is a super-2 number, since 2×1101212233331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101212233297 and 1101212233306.

It is not an unprimeable number, because it can be changed into a prime (1101212233337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407553140 + ... + 407555841.

It is an arithmetic number, because the mean of its divisors is an integer number (158131142508).

Almost surely, 2^{1101212233331} is an apocalyptic number.

1101212233331 is a deficient number, since it is larger than the sum of its proper divisors (163836906733).

1101212233331 is an equidigital number, since it uses as much as digits as its factorization.

1101212233331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815109181.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1101212233331 its reverse (1333322121011), we get a palindrome (2434534354342).

The spelling of 1101212233331 in words is "one trillion, one hundred one billion, two hundred twelve million, two hundred thirty-three thousand, three hundred thirty-one".