220122012002 has 4 divisors (see below), whose sum is σ = 330183018006. Its totient is φ = 110061006000.

The previous prime is 220122011947. The next prime is 220122012017. The reversal of 220122012002 is 200210221022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 220102660801 + 19351201 = 469151^2 + 4399^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55030502999 + ... + 55030503002.

Almost surely, 2^220122012002 is an apocalyptic number.

220122012002 is a deficient number, since it is larger than the sum of its proper divisors (110061006004).

220122012002 is a wasteful number, since it uses less digits than its factorization.

220122012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110061006003.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220122012002 its reverse (200210221022), we get a palindrome (420332233024).

The spelling of 220122012002 in words is "two hundred twenty billion, one hundred twenty-two million, twelve thousand, two".