22110103001221 has 8 divisors (see below), whose sum is σ = 22122971766144. Its totient is φ = 22097237416800.

The previous prime is 22110103001191. The next prime is 22110103001347. The reversal of 22110103001221 is 12210030101122.

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 22110103001221 - 2⁹ = 22110103000709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22110103001195 and 22110103001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110103091221) 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, 13183860 + ... + 14765986.

It is an arithmetic number, because the mean of its divisors is an integer number (2765371470768).

Almost surely, 2^{22110103001221} is an apocalyptic number.

It is an amenable number.

22110103001221 is a deficient number, since it is larger than the sum of its proper divisors (12868764923).

22110103001221 is a wasteful number, since it uses less digits than its factorization.

22110103001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590251.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22110103001221 its reverse (12210030101122), we get a palindrome (34320133102343).

The spelling of 22110103001221 in words is "twenty-two trillion, one hundred ten billion, one hundred three million, one thousand, two hundred twenty-one".