222101410021 has 4 divisors (see below), whose sum is σ = 223431358752. Its totient is φ = 220771461292.

The previous prime is 222101410009. The next prime is 222101410031. The reversal of 222101410021 is 120014101222.

222101410021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120014101222 = 2 ⋅60007050611.

It is a cyclic number.

It is not a de Polignac number, because 222101410021 - 2¹⁹ = 222100885733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222101409977 and 222101410004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101410031) 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 3 ways as a sum of consecutive naturals, for example, 664974115 + ... + 664974448.

It is an arithmetic number, because the mean of its divisors is an integer number (55857839688).

Almost surely, 2^222101410021 is an apocalyptic number.

It is an amenable number.

222101410021 is a deficient number, since it is larger than the sum of its proper divisors (1329948731).

222101410021 is a wasteful number, since it uses less digits than its factorization.

222101410021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329948730.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222101410021 its reverse (120014101222), we get a palindrome (342115511243).

The spelling of 222101410021 in words is "two hundred twenty-two billion, one hundred one million, four hundred ten thousand, twenty-one".