100021000022222 has 8 divisors (see below), whose sum is σ = 151578216528816. Its totient is φ = 49494927845952.

The previous prime is 100021000022189. The next prime is 100021000022249. The reversal of 100021000022222 is 222220000120001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 100021000022197 and 100021000022206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257786082338 + ... + 257786082725.

It is an arithmetic number, because the mean of its divisors is an integer number (18947277066102).

Almost surely, 2^{100021000022222} is an apocalyptic number.

100021000022222 is a deficient number, since it is larger than the sum of its proper divisors (51557216506594).

100021000022222 is an equidigital number, since it uses as much as digits as its factorization.

100021000022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515572165162.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 100021000022222 its reverse (222220000120001), we get a palindrome (322241000142223).

The spelling of 100021000022222 in words is "one hundred trillion, twenty-one billion, twenty-two thousand, two hundred twenty-two".