2552122111 has 16 divisors (see below), whose sum is σ = 3255867648. Its totient is φ = 1942416000.

The previous prime is 2552122109. The next prime is 2552122117. The reversal of 2552122111 is 1112212552.

It is a happy number.

It is not a de Polignac number, because 2552122111 - 2¹ = 2552122109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552122117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382090 + ... + 388711.

It is an arithmetic number, because the mean of its divisors is an integer number (203491728).

Almost surely, 2^2552122111 is an apocalyptic number.

2552122111 is a deficient number, since it is larger than the sum of its proper divisors (703745537).

2552122111 is a wasteful number, since it uses less digits than its factorization.

2552122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770862.

The product of its digits is 400, while the sum is 22.

The square root of 2552122111 is about 50518.5323519993. The cubic root of 2552122111 is about 1366.5760862499.

Adding to 2552122111 its reverse (1112212552), we get a palindrome (3664334663).

The spelling of 2552122111 in words is "two billion, five hundred fifty-two million, one hundred twenty-two thousand, one hundred eleven".