2222121000030 has 32 divisors (see below), whose sum is σ = 5516990071200. Its totient is φ = 572132303232.

The previous prime is 2222121000019. The next prime is 2222121000049. The reversal of 2222121000030 is 300001212222.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2222120999973 and 2222121000009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277080165 + ... + 1277081904.

It is an arithmetic number, because the mean of its divisors is an integer number (172405939725).

Almost surely, 2^{2222121000030} is an apocalyptic number.

2222121000030 is an abundant number, since it is smaller than the sum of its proper divisors (3294869071170).

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

2222121000030 is a wasteful number, since it uses less digits than its factorization.

2222121000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554162108.

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

Adding to 2222121000030 its reverse (300001212222), we get a palindrome (2522122212252).

The spelling of 2222121000030 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-one million, thirty", and thus it is an aban number.