20112122220002 has 8 divisors (see below), whose sum is σ = 30200243038812. Its totient is φ = 10045374540400.

The previous prime is 20112122219993. The next prime is 20112122220041. The reversal of 20112122220002 is 20002222121102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19433276405761 + 678845814241 = 4408319^2 + 823921^2 .

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, 5343282449 + ... + 5343286212.

Almost surely, 2^{20112122220002} is an apocalyptic number.

20112122220002 is a deficient number, since it is larger than the sum of its proper divisors (10088120818810).

20112122220002 is a wasteful number, since it uses less digits than its factorization.

20112122220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10686569604.

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

Adding to 20112122220002 its reverse (20002222121102), we get a palindrome (40114344341104).

The spelling of 20112122220002 in words is "twenty trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twenty thousand, two".