100111000001022 has 48 divisors (see below), whose sum is σ = 225513967350672. Its totient is φ = 32070505991040.

The previous prime is 100111000001021. The next prime is 100111000001041. The reversal of 100111000001022 is 220100000111001.

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 = 100111000000995 and 100111000001013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111000001021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1012277133 + ... + 1012376024.

It is an arithmetic number, because the mean of its divisors is an integer number (4698207653139).

Almost surely, 2^{100111000001022} is an apocalyptic number.

100111000001022 is an abundant number, since it is smaller than the sum of its proper divisors (125402967349650).

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

100111000001022 is a wasteful number, since it uses less digits than its factorization.

100111000001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024653273 (or 2024653270 counting only the distinct ones).

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

Adding to 100111000001022 its reverse (220100000111001), we get a palindrome (320211000112023).

The spelling of 100111000001022 in words is "one hundred trillion, one hundred eleven billion, one thousand, twenty-two".