1021212011122 has 16 divisors (see below), whose sum is σ = 1555894627200. Its totient is φ = 502619523120.

The previous prime is 1021212011093. The next prime is 1021212011137. The reversal of 1021212011122 is 2211102121201.

It is a junction number, because it is equal to n+sod(n) for n = 1021212011096 and 1021212011105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9711097 + ... + 9815692.

It is an arithmetic number, because the mean of its divisors is an integer number (97243414200).

Almost surely, 2^{1021212011122} is an apocalyptic number.

1021212011122 is a deficient number, since it is larger than the sum of its proper divisors (534682616078).

1021212011122 is a wasteful number, since it uses less digits than its factorization.

1021212011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19527201.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1021212011122 its reverse (2211102121201), we get a palindrome (3232314132323).

The spelling of 1021212011122 in words is "one trillion, twenty-one billion, two hundred twelve million, eleven thousand, one hundred twenty-two".