10001020121022 has 32 divisors (see below), whose sum is σ = 22867647685632. Its totient is φ = 2856412679904.

The previous prime is 10001020121017. The next prime is 10001020121023. The reversal of 10001020121022 is 22012102010001.

It is a super-2 number, since 2×10001020121022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10001020120989 and 10001020121007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001020121023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42449478 + ... + 42684425.

It is an arithmetic number, because the mean of its divisors is an integer number (714613990176).

Almost surely, 2^{10001020121022} is an apocalyptic number.

10001020121022 is an abundant number, since it is smaller than the sum of its proper divisors (12866627564610).

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

10001020121022 is a wasteful number, since it uses less digits than its factorization.

10001020121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85136712.

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

Adding to 10001020121022 its reverse (22012102010001), we get a palindrome (32013122131023).

The spelling of 10001020121022 in words is "ten trillion, one billion, twenty million, one hundred twenty-one thousand, twenty-two".