222211201021211 has 8 divisors (see below), whose sum is σ = 222419030775504. Its totient is φ = 222003446781600.

The previous prime is 222211201021177. The next prime is 222211201021291. The reversal of 222211201021211 is 112120102112222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222211201021211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222211201021291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12989816 + ... + 24762021.

It is an arithmetic number, because the mean of its divisors is an integer number (27802378846938).

Almost surely, 2^{222211201021211} is an apocalyptic number.

222211201021211 is a deficient number, since it is larger than the sum of its proper divisors (207829754293).

222211201021211 is a wasteful number, since it uses less digits than its factorization.

222211201021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37757341.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222211201021211 its reverse (112120102112222), we get a palindrome (334331303133433).

The spelling of 222211201021211 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred one million, twenty-one thousand, two hundred eleven".