202221111122 has 8 divisors (see below), whose sum is σ = 303334591500. Its totient is φ = 101109580624.

The previous prime is 202221111067. The next prime is 202221111167. The reversal of 202221111122 is 221111122202.

It can be written as a sum of positive squares in 2 ways, for example, as 200919994081 + 1301117041 = 448241^2 + 36071^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 202221111122.

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, 192497 + ... + 664452.

Almost surely, 2^202221111122 is an apocalyptic number.

202221111122 is a deficient number, since it is larger than the sum of its proper divisors (101113480378).

202221111122 is a wasteful number, since it uses less digits than its factorization.

202221111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974940.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202221111122 its reverse (221111122202), we get a palindrome (423332233324).

It can be divided in two parts, 202 and 221111122, that multiplied together give a palindrome (44664446644).

The spelling of 202221111122 in words is "two hundred two billion, two hundred twenty-one million, one hundred eleven thousand, one hundred twenty-two".