100122012222221 has 8 divisors (see below), whose sum is σ = 109400465704800. Its totient is φ = 90872967468240.

The previous prime is 100122012222187. The next prime is 100122012222229. The reversal of 100122012222221 is 122222210221001.

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

It is a cyclic number.

It is not a de Polignac number, because 100122012222221 - 2²² = 100122008027917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100122012222193 and 100122012222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122012222229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7352175026 + ... + 7352188643.

It is an arithmetic number, because the mean of its divisors is an integer number (13675058213100).

Almost surely, 2^{100122012222221} is an apocalyptic number.

100122012222221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100122012222221 is a deficient number, since it is larger than the sum of its proper divisors (9278453482579).

100122012222221 is a wasteful number, since it uses less digits than its factorization.

100122012222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14704364299.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 100122012222221 its reverse (122222210221001), we get a palindrome (222344222443222).

The spelling of 100122012222221 in words is "one hundred trillion, one hundred twenty-two billion, twelve million, two hundred twenty-two thousand, two hundred twenty-one".