10020001001022 has 80 divisors (see below), whose sum is σ = 23635761008640. Its totient is φ = 3163964427792.

The previous prime is 10020001001009. The next prime is 10020001001069. The reversal of 10020001001022 is 22010010002001.

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

It is a junction number, because it is equal to n+sod(n) for n = 10020001000995 and 10020001001013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 41639253 + ... + 41879199.

It is an arithmetic number, because the mean of its divisors is an integer number (295447012608).

Almost surely, 2^{10020001001022} is an apocalyptic number.

10020001001022 is an abundant number, since it is smaller than the sum of its proper divisors (13615760007618).

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

10020001001022 is a wasteful number, since it uses less digits than its factorization.

10020001001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253547 (or 253538 counting only the distinct ones).

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

Adding to 10020001001022 its reverse (22010010002001), we get a palindrome (32030011003023).

The spelling of 10020001001022 in words is "ten trillion, twenty billion, one million, one thousand, twenty-two".