22101221002019 has 4 divisors (see below), whose sum is σ = 23264443160040. Its totient is φ = 20937998844000.

The previous prime is 22101221002013. The next prime is 22101221002031. The reversal of 22101221002019 is 91020012210122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22101221002019 - 2⁸ = 22101221001763 is a prime.

It is a super-2 number, since 2×22101221002019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22101221001985 and 22101221002003.

It is not an unprimeable number, because it can be changed into a prime (22101221002013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581611078982 + ... + 581611079019.

It is an arithmetic number, because the mean of its divisors is an integer number (5816110790010).

Almost surely, 2^{22101221002019} is an apocalyptic number.

22101221002019 is a deficient number, since it is larger than the sum of its proper divisors (1163222158021).

22101221002019 is a wasteful number, since it uses less digits than its factorization.

22101221002019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163222158020.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 22101221002019 in words is "twenty-two trillion, one hundred one billion, two hundred twenty-one million, two thousand, nineteen".