2122221030000 has 100 divisors (see below), whose sum is σ = 6850812544488. Its totient is φ = 565925600000.

The previous prime is 2122221029983. The next prime is 2122221030001. The reversal of 2122221030000 is 301222212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122221030001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35340351 + ... + 35400350.

Almost surely, 2^{2122221030000} is an apocalyptic number.

2122221030000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122221030000 is an abundant number, since it is smaller than the sum of its proper divisors (4728591514488).

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

2122221030000 is an equidigital number, since it uses as much as digits as its factorization.

2122221030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70740732 (or 70740711 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2122221030000 its reverse (301222212), we get a palindrome (2122522252212).

The spelling of 2122221030000 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-one million, thirty thousand".