10000121022112 has 48 divisors (see below), whose sum is σ = 21240940990752. Its totient is φ = 4607002632960.

The previous prime is 10000121022013. The next prime is 10000121022119. The reversal of 10000121022112 is 21122012100001.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 10000121022092 and 10000121022101.

It is not an unprimeable number, because it can be changed into a prime (10000121022119) 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 7 ways as a sum of consecutive naturals, for example, 21745714 + ... + 22200817.

It is an arithmetic number, because the mean of its divisors is an integer number (442519603974).

Almost surely, 2^{10000121022112} is an apocalyptic number.

It is an amenable number.

10000121022112 is an abundant number, since it is smaller than the sum of its proper divisors (11240819968640).

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

10000121022112 is a wasteful number, since it uses less digits than its factorization.

10000121022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43947101 (or 43947093 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10000121022112 its reverse (21122012100001), we get a palindrome (31122133122113).

The spelling of 10000121022112 in words is "ten trillion, one hundred twenty-one million, twenty-two thousand, one hundred twelve".