2111222134 has 24 divisors (see below), whose sum is σ = 3746315880. Its totient is φ = 889471296.

The previous prime is 2111222131. The next prime is 2111222137. The reversal of 2111222134 is 4312221112.

It is an interprime number because it is at equal distance from previous prime (2111222131) and next prime (2111222137).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111222131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176787 + ... + 188350.

It is an arithmetic number, because the mean of its divisors is an integer number (156096495).

Almost surely, 2^2111222134 is an apocalyptic number.

2111222134 is a deficient number, since it is larger than the sum of its proper divisors (1635093746).

2111222134 is a wasteful number, since it uses less digits than its factorization.

2111222134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365212 (or 365205 counting only the distinct ones).

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

The square root of 2111222134 is about 45948.0373247868. The cubic root of 2111222134 is about 1282.8561980163.

Adding to 2111222134 its reverse (4312221112), we get a palindrome (6423443246).

The spelling of 2111222134 in words is "two billion, one hundred eleven million, two hundred twenty-two thousand, one hundred thirty-four".