4122020111 has 4 divisors (see below), whose sum is σ = 4496749224. Its totient is φ = 3747291000.

The previous prime is 4122020101. The next prime is 4122020153. The reversal of 4122020111 is 1110202214.

It is a happy number.

4122020111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4122020111 - 2⁶ = 4122020047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122020101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187364540 + ... + 187364561.

It is an arithmetic number, because the mean of its divisors is an integer number (1124187306).

Almost surely, 2^4122020111 is an apocalyptic number.

4122020111 is a deficient number, since it is larger than the sum of its proper divisors (374729113).

4122020111 is a wasteful number, since it uses less digits than its factorization.

4122020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374729112.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 4122020111 is about 64202.9602977931. The cubic root of 4122020111 is about 1603.3808862596.

Adding to 4122020111 its reverse (1110202214), we get a palindrome (5232222325).

The spelling of 4122020111 in words is "four billion, one hundred twenty-two million, twenty thousand, one hundred eleven".