100222011233231 has 4 divisors (see below), whose sum is σ = 100264713413352. Its totient is φ = 100179309053112.

The previous prime is 100222011233209. The next prime is 100222011233401. The reversal of 100222011233231 is 132332110222001.

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-100222011233231 is a prime.

It is a super-2 number, since 2×100222011233231² (a number of 29 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 = 100222011233197 and 100222011233206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222011233731) 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, 21351086540 + ... + 21351091233.

It is an arithmetic number, because the mean of its divisors is an integer number (25066178353338).

Almost surely, 2^{100222011233231} is an apocalyptic number.

100222011233231 is a deficient number, since it is larger than the sum of its proper divisors (42702180121).

100222011233231 is an equidigital number, since it uses as much as digits as its factorization.

100222011233231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42702180120.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 100222011233231 its reverse (132332110222001), we get a palindrome (232554121455232).

The spelling of 100222011233231 in words is "one hundred trillion, two hundred twenty-two billion, eleven million, two hundred thirty-three thousand, two hundred thirty-one".