2111021344 has 12 divisors (see below), whose sum is σ = 4156073334. Its totient is φ = 1055510656.

The previous prime is 2111021329. The next prime is 2111021383. The reversal of 2111021344 is 4431201112.

It can be written as a sum of positive squares in only one way, i.e., 1617648400 + 493372944 = 40220^2 + 22212^2 .

It is a super-2 number, since 2×2111021344² = 8912822229647132672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32984677 + ... + 32984740.

Almost surely, 2^2111021344 is an apocalyptic number.

It is an amenable number.

2111021344 is a deficient number, since it is larger than the sum of its proper divisors (2045051990).

2111021344 is an equidigital number, since it uses as much as digits as its factorization.

2111021344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65969427 (or 65969419 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2111021344 is about 45945.8523046423. The cubic root of 2111021344 is about 1282.8155275980.

Adding to 2111021344 its reverse (4431201112), we get a palindrome (6542222456).

The spelling of 2111021344 in words is "two billion, one hundred eleven million, twenty-one thousand, three hundred forty-four".