1111211054 has 4 divisors (see below), whose sum is σ = 1666816584. Its totient is φ = 555605526.

The previous prime is 1111211051. The next prime is 1111211063. The reversal of 1111211054 is 4501121111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4501121111 = 379 ⋅11876309.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111211051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277802762 + ... + 277802765.

It is an arithmetic number, because the mean of its divisors is an integer number (416704146).

Almost surely, 2^1111211054 is an apocalyptic number.

1111211054 is a deficient number, since it is larger than the sum of its proper divisors (555605530).

1111211054 is an equidigital number, since it uses as much as digits as its factorization.

1111211054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555605529.

The product of its (nonzero) digits is 40, while the sum is 17.

The square root of 1111211054 is about 33334.8324429567. The cubic root of 1111211054 is about 1035.7752222995.

Adding to 1111211054 its reverse (4501121111), we get a palindrome (5612332165).

The spelling of 1111211054 in words is "one billion, one hundred eleven million, two hundred eleven thousand, fifty-four".