245121211103 has 8 divisors (see below), whose sum is σ = 255841459200. Its totient is φ = 234406196728.

The previous prime is 245121211007. The next prime is 245121211121. The reversal of 245121211103 is 301112121542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245121211103 - 2¹² = 245121207007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245121211003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212563 + ... + 1400196.

It is an arithmetic number, because the mean of its divisors is an integer number (31980182400).

Almost surely, 2^245121211103 is an apocalyptic number.

245121211103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

245121211103 is a deficient number, since it is larger than the sum of its proper divisors (10720248097).

245121211103 is a wasteful number, since it uses less digits than its factorization.

245121211103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616861.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 245121211103 its reverse (301112121542), we get a palindrome (546233332645).

The spelling of 245121211103 in words is "two hundred forty-five billion, one hundred twenty-one million, two hundred eleven thousand, one hundred three".