2111220425 has 12 divisors (see below), whose sum is σ = 2622302400. Its totient is φ = 1686144720.

The previous prime is 2111220409. The next prime is 2111220437. The reversal of 2111220425 is 5240221112.

It is not a de Polignac number, because 2111220425 - 2⁴ = 2111220409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111220397 and 2111220406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55517 + ... + 85466.

It is an arithmetic number, because the mean of its divisors is an integer number (218525200).

Almost surely, 2^2111220425 is an apocalyptic number.

2111220425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2111220425 is a deficient number, since it is larger than the sum of its proper divisors (511081975).

2111220425 is a wasteful number, since it uses less digits than its factorization.

2111220425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141592 (or 141587 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2111220425 is about 45948.0187276884. The cubic root of 2111220425 is about 1282.8558518658.

Adding to 2111220425 its reverse (5240221112), we get a palindrome (7351441537).

The spelling of 2111220425 in words is "two billion, one hundred eleven million, two hundred twenty thousand, four hundred twenty-five".