1222211001202 has 8 divisors (see below), whose sum is σ = 1896534312300. Its totient is φ = 590032897104.

The previous prime is 1222211001197. The next prime is 1222211001229. The reversal of 1222211001202 is 2021001122221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1221933478921 + 277522281 = 1105411^2 + 16659^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10536301677 + ... + 10536301792.

Almost surely, 2^{1222211001202} is an apocalyptic number.

1222211001202 is a deficient number, since it is larger than the sum of its proper divisors (674323311098).

1222211001202 is a wasteful number, since it uses less digits than its factorization.

1222211001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21072603500.

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

Adding to 1222211001202 its reverse (2021001122221), we get a palindrome (3243212123423).

The spelling of 1222211001202 in words is "one trillion, two hundred twenty-two billion, two hundred eleven million, one thousand, two hundred two".