100001111022 has 12 divisors (see below), whose sum is σ = 216669073920. Its totient is φ = 33333703668.

The previous prime is 100001110969. The next prime is 100001111027. The reversal of 100001111022 is 220111100001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100001110995 and 100001111013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001111027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2777808622 + ... + 2777808657.

It is an arithmetic number, because the mean of its divisors is an integer number (18055756160).

Almost surely, 2^100001111022 is an apocalyptic number.

100001111022 is an abundant number, since it is smaller than the sum of its proper divisors (116667962898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100001111022 is a wasteful number, since it uses less digits than its factorization.

100001111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555617287 (or 5555617284 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100001111022 its reverse (220111100001), we get a palindrome (320112211023).

The spelling of 100001111022 in words is "one hundred billion, one million, one hundred eleven thousand, twenty-two".