100331001222011 has 4 divisors (see below), whose sum is σ = 114664001396592. Its totient is φ = 85998001047432.

The previous prime is 100331001221987. The next prime is 100331001222029. The reversal of 100331001222011 is 110222100133001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100331001222011 is a prime.

It is a super-2 number, since 2×100331001222011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100331001222311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7166500087280 + ... + 7166500087293.

It is an arithmetic number, because the mean of its divisors is an integer number (28666000349148).

Almost surely, 2^{100331001222011} is an apocalyptic number.

100331001222011 is a deficient number, since it is larger than the sum of its proper divisors (14333000174581).

100331001222011 is an equidigital number, since it uses as much as digits as its factorization.

100331001222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14333000174580.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 100331001222011 its reverse (110222100133001), we get a palindrome (210553101355012).

The spelling of 100331001222011 in words is "one hundred trillion, three hundred thirty-one billion, one million, two hundred twenty-two thousand, eleven".