100211022 has 96 divisors (see below), whose sum is σ = 242004672. Its totient is φ = 29832192.

The previous prime is 100211021. The next prime is 100211057. The reversal of 100211022 is 220112001.

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 = 100210995 and 100211013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100211021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 599983 + ... + 600149.

It is an arithmetic number, because the mean of its divisors is an integer number (2520882).

Almost surely, 2^100211022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100211022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121002336).

100211022 is an abundant number, since it is smaller than the sum of its proper divisors (141793650).

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

100211022 is a wasteful number, since it uses less digits than its factorization.

100211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 100211022 is about 10010.5455395797. The cubic root of 100211022 is about 464.4851464261.

Adding to 100211022 its reverse (220112001), we get a palindrome (320323023).

The spelling of 100211022 in words is "one hundred million, two hundred eleven thousand, twenty-two".