10001020122 has 24 divisors (see below), whose sum is σ = 21678523776. Its totient is φ = 3332189256.

The previous prime is 10001020093. The next prime is 10001020123. The reversal of 10001020122 is 22102010001.

10001020122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10001020123) by changing a digit.

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, 81738 + ... + 163349.

It is an arithmetic number, because the mean of its divisors is an integer number (903271824).

Almost surely, 2^10001020122 is an apocalyptic number.

10001020122 is an abundant number, since it is smaller than the sum of its proper divisors (11677503654).

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

10001020122 is a wasteful number, since it uses less digits than its factorization.

10001020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247362 (or 247359 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10001020122 its reverse (22102010001), we get a palindrome (32103030123).

The spelling of 10001020122 in words is "ten billion, one million, twenty thousand, one hundred twenty-two".