1220210231103 has 24 divisors (see below), whose sum is σ = 1787454414720. Its totient is φ = 801969351120.

The previous prime is 1220210231087. The next prime is 1220210231113. The reversal of 1220210231103 is 3011320120221.

1220210231103 is a `hidden beast` number, since 1 + 220 + 210 + 231 + 1 + 0 + 3 = 666.

It is not a de Polignac number, because 1220210231103 - 2⁴ = 1220210231087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220210231113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13488300 + ... + 13578462.

It is an arithmetic number, because the mean of its divisors is an integer number (74477267280).

Almost surely, 2^{1220210231103} is an apocalyptic number.

1220210231103 is a deficient number, since it is larger than the sum of its proper divisors (567244183617).

1220210231103 is a wasteful number, since it uses less digits than its factorization.

1220210231103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111419 (or 111416 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1220210231103 its reverse (3011320120221), we get a palindrome (4231530351324).

The spelling of 1220210231103 in words is "one trillion, two hundred twenty billion, two hundred ten million, two hundred thirty-one thousand, one hundred three".