100000022212290 has 256 divisors, whose sum is σ = 258755459973120. Its totient is φ = 24684342359040.

The previous prime is 100000022212289. The next prime is 100000022212327. The reversal of 100000022212290 is 92212220000001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1367447707 + ... + 1367520833.

It is an arithmetic number, because the mean of its divisors is an integer number (1010763515520).

Almost surely, 2^{100000022212290} is an apocalyptic number.

100000022212290 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 100000022212290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129377729986560).

100000022212290 is an abundant number, since it is smaller than the sum of its proper divisors (158755437760830).

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

100000022212290 is a wasteful number, since it uses less digits than its factorization.

100000022212290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73897.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 100000022212290 its reverse (92212220000001), we get a palindrome (192212242212291).

The spelling of 100000022212290 in words is "one hundred trillion, twenty-two million, two hundred twelve thousand, two hundred ninety".