1001122202122 has 16 divisors (see below), whose sum is σ = 1718157534912. Its totient is φ = 428565360960.

The previous prime is 1001122202107. The next prime is 1001122202147. The reversal of 1001122202122 is 2212022211001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1001122202096 and 1001122202105.

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, 40571508 + ... + 40596175.

It is an arithmetic number, because the mean of its divisors is an integer number (107384845932).

Almost surely, 2^{1001122202122} is an apocalyptic number.

1001122202122 is a deficient number, since it is larger than the sum of its proper divisors (717035332790).

1001122202122 is an equidigital number, since it uses as much as digits as its factorization.

1001122202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81168573.

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

Adding to 1001122202122 its reverse (2212022211001), we get a palindrome (3213144413123).

The spelling of 1001122202122 in words is "one trillion, one billion, one hundred twenty-two million, two hundred two thousand, one hundred twenty-two".