2122021110000 has 400 divisors, whose sum is σ = 7547017281408. Its totient is φ = 509328000000.

The previous prime is 2122021109987. The next prime is 2122021110029. The reversal of 2122021110000 is 111202212.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 33298167 + ... + 33361833.

Almost surely, 2^{2122021110000} is an apocalyptic number.

2122021110000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122021110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3773508640704).

2122021110000 is an abundant number, since it is smaller than the sum of its proper divisors (5424996171408).

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

2122021110000 is a wasteful number, since it uses less digits than its factorization.

2122021110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63810 (or 63789 counting only the distinct ones).

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

Adding to 2122021110000 its reverse (111202212), we get a palindrome (2122132312212).

The spelling of 2122021110000 in words is "two trillion, one hundred twenty-two billion, twenty-one million, one hundred ten thousand".