2122155103 has 4 divisors (see below), whose sum is σ = 2125107360. Its totient is φ = 2119202848.

The previous prime is 2122155097. The next prime is 2122155107. The reversal of 2122155103 is 3015512212.

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 2122155103 - 2²⁹ = 1585284191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122155107) 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, 1475050 + ... + 1476487.

It is an arithmetic number, because the mean of its divisors is an integer number (531276840).

Almost surely, 2^2122155103 is an apocalyptic number.

2122155103 is a deficient number, since it is larger than the sum of its proper divisors (2952257).

2122155103 is an equidigital number, since it uses as much as digits as its factorization.

2122155103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952256.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2122155103 is about 46066.8547113866. The cubic root of 2122155103 is about 1285.0668111638.

Adding to 2122155103 its reverse (3015512212), we get a palindrome (5137667315).

The spelling of 2122155103 in words is "two billion, one hundred twenty-two million, one hundred fifty-five thousand, one hundred three".