1121002100022 has 24 divisors (see below), whose sum is σ = 2608045702776. Its totient is φ = 320286314208.

The previous prime is 1121002099991. The next prime is 1121002100039. The reversal of 1121002100022 is 2200012001211.

It is a junction number, because it is equal to n+sod(n) for n = 1121002099980 and 1121002100007.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1906465863 + ... + 1906466450.

It is an arithmetic number, because the mean of its divisors is an integer number (108668570949).

Almost surely, 2^{1121002100022} is an apocalyptic number.

1121002100022 is an abundant number, since it is smaller than the sum of its proper divisors (1487043602754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121002100022 is a wasteful number, since it uses less digits than its factorization.

1121002100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812932332 (or 3812932325 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1121002100022 its reverse (2200012001211), we get a palindrome (3321014101233).

It can be divided in two parts, 112100 and 2100022, that added together give a palindrome (2212122).

The spelling of 1121002100022 in words is "one trillion, one hundred twenty-one billion, two million, one hundred thousand, twenty-two".