222010121222021 has 32 divisors (see below), whose sum is σ = 265290344225280. Its totient is φ = 183399402009600.

The previous prime is 222010121221981. The next prime is 222010121222023. The reversal of 222010121222021 is 120222121010222.

It is a cyclic number.

It is not a de Polignac number, because 222010121222021 - 2¹⁰ = 222010121220997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222010121221984 and 222010121222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222010121222023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181804916 + ... + 183021986.

It is an arithmetic number, because the mean of its divisors is an integer number (8290323257040).

Almost surely, 2^{222010121222021} is an apocalyptic number.

It is an amenable number.

222010121222021 is a deficient number, since it is larger than the sum of its proper divisors (43280223003259).

222010121222021 is a wasteful number, since it uses less digits than its factorization.

222010121222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250765.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222010121222021 its reverse (120222121010222), we get a palindrome (342232242232243).

The spelling of 222010121222021 in words is "two hundred twenty-two trillion, ten billion, one hundred twenty-one million, two hundred twenty-two thousand, twenty-one".