1022121544124 has 24 divisors (see below), whose sum is σ = 1855383443760. Its totient is φ = 492337609344.

The previous prime is 1022121544099. The next prime is 1022121544133. The reversal of 1022121544124 is 4214451212201.

It is a congruent number.

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, 40689959 + ... + 40715070.

It is an arithmetic number, because the mean of its divisors is an integer number (77307643490).

Almost surely, 2^{1022121544124} is an apocalyptic number.

It is an amenable number.

1022121544124 is a deficient number, since it is larger than the sum of its proper divisors (833261899636).

1022121544124 is a wasteful number, since it uses less digits than its factorization.

1022121544124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81405149 (or 81405147 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 1022121544124 its reverse (4214451212201), we get a palindrome (5236572756325).

The spelling of 1022121544124 in words is "one trillion, twenty-two billion, one hundred twenty-one million, five hundred forty-four thousand, one hundred twenty-four".