2111021000022 has 64 divisors (see below), whose sum is σ = 4711003545600. Its totient is φ = 625141954080.

The previous prime is 2111021000009. The next prime is 2111021000029. The reversal of 2111021000022 is 2200001201112.

It is a junction number, because it is equal to n+sod(n) for n = 2111020999971 and 2111021000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111021000029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1527879 + ... + 2560557.

It is an arithmetic number, because the mean of its divisors is an integer number (73609430400).

Almost surely, 2^{2111021000022} is an apocalyptic number.

2111021000022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111021000022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2355501772800).

2111021000022 is an abundant number, since it is smaller than the sum of its proper divisors (2599982545578).

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

2111021000022 is a wasteful number, since it uses less digits than its factorization.

2111021000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033401.

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

Adding to 2111021000022 its reverse (2200001201112), we get a palindrome (4311022201134).

The spelling of 2111021000022 in words is "two trillion, one hundred eleven billion, twenty-one million, twenty-two", and thus it is an aban number.