2211143234450 has 24 divisors (see below), whose sum is σ = 4115839882260. Its totient is φ = 883787731200.

The previous prime is 2211143234389. The next prime is 2211143234497. The reversal of 2211143234450 is 544323411122.

It can be written as a sum of positive squares in 6 ways, for example, as 1915132157689 + 296011076761 = 1383883^2 + 544069^2 .

It is a super-3 number, since 3×2211143234450³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16672355 + ... + 16804454.

Almost surely, 2^{2211143234450} is an apocalyptic number.

2211143234450 is a deficient number, since it is larger than the sum of its proper divisors (1904696647810).

2211143234450 is a wasteful number, since it uses less digits than its factorization.

2211143234450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33478142 (or 33478137 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 2211143234450 its reverse (544323411122), we get a palindrome (2755466645572).

The spelling of 2211143234450 in words is "two trillion, two hundred eleven billion, one hundred forty-three million, two hundred thirty-four thousand, four hundred fifty".