2201021012122 has 8 divisors (see below), whose sum is σ = 3301919001972. Its totient is φ = 1100381344800.

The previous prime is 2201021012107. The next prime is 2201021012143. The reversal of 2201021012122 is 2212101201022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2196238044841 + 4782967281 = 1481971^2 + 69159^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2201021012096 and 2201021012105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64559329 + ... + 64593412.

Almost surely, 2^{2201021012122} is an apocalyptic number.

2201021012122 is a deficient number, since it is larger than the sum of its proper divisors (1100897989850).

2201021012122 is a wasteful number, since it uses less digits than its factorization.

2201021012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129161264.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2201021012122 its reverse (2212101201022), we get a palindrome (4413122213144).

The spelling of 2201021012122 in words is "two trillion, two hundred one billion, twenty-one million, twelve thousand, one hundred twenty-two".