2111252254 has 4 divisors (see below), whose sum is σ = 3166878384. Its totient is φ = 1055626126.

The previous prime is 2111252233. The next prime is 2111252261. The reversal of 2111252254 is 4522521112.

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

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, 527813062 + ... + 527813065.

It is an arithmetic number, because the mean of its divisors is an integer number (791719596).

Almost surely, 2^2111252254 is an apocalyptic number.

2111252254 is a deficient number, since it is larger than the sum of its proper divisors (1055626130).

2111252254 is a wasteful number, since it uses less digits than its factorization.

2111252254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055626129.

The product of its digits is 1600, while the sum is 25.

The square root of 2111252254 is about 45948.3650851692. The cubic root of 2111252254 is about 1282.8622986605.

Adding to 2111252254 its reverse (4522521112), we get a palindrome (6633773366).

The spelling of 2111252254 in words is "two billion, one hundred eleven million, two hundred fifty-two thousand, two hundred fifty-four".