100000022211810 has 192 divisors, whose sum is σ = 301884290323200. Its totient is φ = 22493822238720.

The previous prime is 100000022211787. The next prime is 100000022211811. The reversal of 100000022211810 is 18112220000001.

It is a super-2 number, since 2×100000022211810² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (100000022211811) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18228145 + ... + 23070875.

It is an arithmetic number, because the mean of its divisors is an integer number (1572314012100).

Almost surely, 2^{100000022211810} is an apocalyptic number.

100000022211810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100000022211810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150942145161600).

100000022211810 is an abundant number, since it is smaller than the sum of its proper divisors (201884268111390).

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

100000022211810 is a wasteful number, since it uses less digits than its factorization.

100000022211810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843273 (or 4843270 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 100000022211810 its reverse (18112220000001), we get a palindrome (118112242211811).

The spelling of 100000022211810 in words is "one hundred trillion, twenty-two million, two hundred eleven thousand, eight hundred ten".