10012021122 has 64 divisors (see below), whose sum is σ = 20947673088. Its totient is φ = 3187800000.

The previous prime is 10012021121. The next prime is 10012021133. The reversal of 10012021122 is 22112021001.

It is a junction number, because it is equal to n+sod(n) for n = 10012021098 and 10012021107.

It is not an unprimeable number, because it can be changed into a prime (10012021121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2019747 + ... + 2024697.

It is an arithmetic number, because the mean of its divisors is an integer number (327307392).

Almost surely, 2^10012021122 is an apocalyptic number.

10012021122 is an abundant number, since it is smaller than the sum of its proper divisors (10935651966).

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

10012021122 is a wasteful number, since it uses less digits than its factorization.

10012021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175.

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

Adding to 10012021122 its reverse (22112021001), we get a palindrome (32124042123).

The spelling of 10012021122 in words is "ten billion, twelve million, twenty-one thousand, one hundred twenty-two".