1000021122110 has 8 divisors (see below), whose sum is σ = 1800038019816. Its totient is φ = 400008448840.

The previous prime is 1000021122073. The next prime is 1000021122119. The reversal of 1000021122110 is 112211200001.

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

It is a super-3 number, since 3×1000021122110³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1000021122091 and 1000021122100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000021122119) 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, 50001056096 + ... + 50001056115.

It is an arithmetic number, because the mean of its divisors is an integer number (225004752477).

Almost surely, 2^{1000021122110} is an apocalyptic number.

1000021122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000021122110 is a deficient number, since it is larger than the sum of its proper divisors (800016897706).

1000021122110 is a wasteful number, since it uses less digits than its factorization.

1000021122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100002112218.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1000021122110 its reverse (112211200001), we get a palindrome (1112232322111).

The spelling of 1000021122110 in words is "one trillion, twenty-one million, one hundred twenty-two thousand, one hundred ten".