100122221222222 has 16 divisors (see below), whose sum is σ = 153676445408640. Its totient is φ = 48896746661112.

The previous prime is 100122221222131. The next prime is 100122221222279. The reversal of 100122221222222 is 222222122221001.

It is a super-2 number, since 2×100122221222222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29040929 + ... + 32305107.

It is an arithmetic number, because the mean of its divisors is an integer number (9604777838040).

Almost surely, 2^{100122221222222} is an apocalyptic number.

100122221222222 is a deficient number, since it is larger than the sum of its proper divisors (53554224186418).

100122221222222 is a wasteful number, since it uses less digits than its factorization.

100122221222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620887.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 100122221222222 its reverse (222222122221001), we get a palindrome (322344343443223).

The spelling of 100122221222222 in words is "one hundred trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred twenty-two".