100422212431242 has 128 divisors (see below), whose sum is σ = 221819614248960. Its totient is φ = 30115313856000.

The previous prime is 100422212431213. The next prime is 100422212431253. The reversal of 100422212431242 is 242134212224001.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7664056063 + ... + 7664069165.

It is an arithmetic number, because the mean of its divisors is an integer number (1732965736320).

Almost surely, 2^{100422212431242} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100422212431242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110909807124480).

100422212431242 is an abundant number, since it is smaller than the sum of its proper divisors (121397401817718).

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

100422212431242 is a wasteful number, since it uses less digits than its factorization.

100422212431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21748.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 100422212431242 its reverse (242134212224001), we get a palindrome (342556424655243).

The spelling of 100422212431242 in words is "one hundred trillion, four hundred twenty-two billion, two hundred twelve million, four hundred thirty-one thousand, two hundred forty-two".