2211304031122 has 4 divisors (see below), whose sum is σ = 3316956046686. Its totient is φ = 1105652015560.

The previous prime is 2211304031047. The next prime is 2211304031179.

2211304031122 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 1705215493921 + 506088537201 = 1305839^2 + 711399^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2211304031093 and 2211304031102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552826007779 + ... + 552826007782.

Almost surely, 2^{2211304031122} is an apocalyptic number.

2211304031122 is a deficient number, since it is larger than the sum of its proper divisors (1105652015564).

2211304031122 is a wasteful number, since it uses less digits than its factorization.

2211304031122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105652015563.

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

Multiplying 2211304031122 by its sum of digits (22), we get a palindrome (48648688684684).

The spelling of 2211304031122 in words is "two trillion, two hundred eleven billion, three hundred four million, thirty-one thousand, one hundred twenty-two".