10002001020122 has 8 divisors (see below), whose sum is σ = 15003036525972. Its totient is φ = 5000988844800.

The previous prime is 10002001020103. The next prime is 10002001020127. The reversal of 10002001020122 is 22102010020001.

It is a happy number.

10002001020122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10000590341641 + 1410678481 = 3162371^2 + 37559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10002001020127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4718279 + ... + 6501242.

Almost surely, 2^{10002001020122} is an apocalyptic number.

10002001020122 is a deficient number, since it is larger than the sum of its proper divisors (5001035505850).

10002001020122 is a wasteful number, since it uses less digits than its factorization.

10002001020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11665264.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10002001020122 its reverse (22102010020001), we get a palindrome (32104011040123).

The spelling of 10002001020122 in words is "ten trillion, two billion, one million, twenty thousand, one hundred twenty-two".