22200121120202 has 16 divisors (see below), whose sum is σ = 34448723585640. Its totient is φ = 10717219031232.

The previous prime is 22200121120183. The next prime is 22200121120217. The reversal of 22200121120202 is 20202112100222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20928145423441 + 1271975696761 = 4574729^2 + 1127819^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6707768 + ... + 9454860.

Almost surely, 2^{22200121120202} is an apocalyptic number.

22200121120202 is a deficient number, since it is larger than the sum of its proper divisors (12248602465438).

22200121120202 is a wasteful number, since it uses less digits than its factorization.

22200121120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886457.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22200121120202 its reverse (20202112100222), we get a palindrome (42402233220424).

The spelling of 22200121120202 in words is "twenty-two trillion, two hundred billion, one hundred twenty-one million, one hundred twenty thousand, two hundred two".