21220101022219 has 8 divisors (see below), whose sum is σ = 23150250611712. Its totient is φ = 19290126348840.

The previous prime is 21220101022187. The next prime is 21220101022243. The reversal of 21220101022219 is 91222010102212.

It is a happy number.

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 21220101022219 - 2⁵ = 21220101022187 is a prime.

It is a super-2 number, since 2×21220101022219² (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 = 21220101022193 and 21220101022202.

It is not an unprimeable number, because it can be changed into a prime (21220101022249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43475299 + ... + 43960684.

It is an arithmetic number, because the mean of its divisors is an integer number (2893781326464).

Almost surely, 2^{21220101022219} is an apocalyptic number.

21220101022219 is a deficient number, since it is larger than the sum of its proper divisors (1930149589493).

21220101022219 is a wasteful number, since it uses less digits than its factorization.

21220101022219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87458057.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 21220101022219 in words is "twenty-one trillion, two hundred twenty billion, one hundred one million, twenty-two thousand, two hundred nineteen".