1020121122122 has 32 divisors (see below), whose sum is σ = 1617986534400. Its totient is φ = 481588578688.

The previous prime is 1020121122089. The next prime is 1020121122133. The reversal of 1020121122122 is 2212211210201.

1020121122122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1020121122122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3095279 + ... + 3408957.

It is an arithmetic number, because the mean of its divisors is an integer number (50562079200).

Almost surely, 2^{1020121122122} is an apocalyptic number.

1020121122122 is a deficient number, since it is larger than the sum of its proper divisors (597865412278).

1020121122122 is a wasteful number, since it uses less digits than its factorization.

1020121122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314950.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1020121122122 its reverse (2212211210201), we get a palindrome (3232332332323).

The spelling of 1020121122122 in words is "one trillion, twenty billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".