2231122203030 has 128 divisors (see below), whose sum is σ = 6446097100800. Its totient is φ = 482803161984.

The previous prime is 2231122203017. The next prime is 2231122203031. The reversal of 2231122203030 is 303022211322.

It is a happy number.

2231122203030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2231122203030³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2231122202988 and 2231122203006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231122203031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5728641 + ... + 6105699.

It is an arithmetic number, because the mean of its divisors is an integer number (50360133600).

Almost surely, 2^{2231122203030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231122203030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3223048550400).

2231122203030 is an abundant number, since it is smaller than the sum of its proper divisors (4214974897770).

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

2231122203030 is a wasteful number, since it uses less digits than its factorization.

2231122203030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378578.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2231122203030 its reverse (303022211322), we get a palindrome (2534144414352).

The spelling of 2231122203030 in words is "two trillion, two hundred thirty-one billion, one hundred twenty-two million, two hundred three thousand, thirty".