2130311122222 has 4 divisors (see below), whose sum is σ = 3195466683336. Its totient is φ = 1065155561110.

The previous prime is 2130311122187. The next prime is 2130311122231. The reversal of 2130311122222 is 2222211130312.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2130311122193 and 2130311122202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532577780554 + ... + 532577780557.

It is an arithmetic number, because the mean of its divisors is an integer number (798866670834).

Almost surely, 2^{2130311122222} is an apocalyptic number.

2130311122222 is a deficient number, since it is larger than the sum of its proper divisors (1065155561114).

2130311122222 is a wasteful number, since it uses less digits than its factorization.

2130311122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065155561113.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2130311122222 its reverse (2222211130312), we get a palindrome (4352522252534).

The spelling of 2130311122222 in words is "two trillion, one hundred thirty billion, three hundred eleven million, one hundred twenty-two thousand, two hundred twenty-two".