222010212002221 has 16 divisors (see below), whose sum is σ = 222323350961088. Its totient is φ = 221697364262400.

The previous prime is 222010212002219. The next prime is 222010212002233. The reversal of 222010212002221 is 122200212010222.

It is a cyclic number.

It is not a de Polignac number, because 222010212002221 - 2¹ = 222010212002219 is a prime.

It is a super-2 number, since 2×222010212002221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222010212002251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12537982450 + ... + 12538000156.

It is an arithmetic number, because the mean of its divisors is an integer number (13895209435068).

Almost surely, 2^{222010212002221} is an apocalyptic number.

It is an amenable number.

222010212002221 is a deficient number, since it is larger than the sum of its proper divisors (313138958867).

222010212002221 is a wasteful number, since it uses less digits than its factorization.

222010212002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24972.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222010212002221 its reverse (122200212010222), we get a palindrome (344210424012443).

The spelling of 222010212002221 in words is "two hundred twenty-two trillion, ten billion, two hundred twelve million, two thousand, two hundred twenty-one".