22121120202002 has 8 divisors (see below), whose sum is σ = 33990989578812. Its totient is φ = 10790790342400.

The previous prime is 22121120201867. The next prime is 22121120202011. The reversal of 22121120202002 is 20020202112122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22113797805961 + 7322396041 = 4702531^2 + 85571^2 .

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, 134884879199 + ... + 134884879362.

Almost surely, 2^{22121120202002} is an apocalyptic number.

22121120202002 is a deficient number, since it is larger than the sum of its proper divisors (11869869376810).

22121120202002 is a wasteful number, since it uses less digits than its factorization.

22121120202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269769758604.

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

Adding to 22121120202002 its reverse (20020202112122), we get a palindrome (42141322314124).

The spelling of 22121120202002 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred two thousand, two".