103113221211 has 80 divisors (see below), whose sum is σ = 206814144768. Its totient is φ = 49444862400.

The previous prime is 103113221201. The next prime is 103113221221. The reversal of 103113221211 is 112122311301.

103113221211 is a `hidden beast` number, since 10 + 311 + 322 + 1 + 21 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (103113221201) and next prime (103113221221).

It is not a de Polignac number, because 103113221211 - 2¹³ = 103113213019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103113221201) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 554785 + ... + 716946.

Almost surely, 2^103113221211 is an apocalyptic number.

103113221211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103113221211 is an abundant number, since it is smaller than the sum of its proper divisors (103700923557).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103113221211 is a wasteful number, since it uses less digits than its factorization.

103113221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271774 (or 1271765 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 103113221211 its reverse (112122311301), we get a palindrome (215235532512).

The spelling of 103113221211 in words is "one hundred three billion, one hundred thirteen million, two hundred twenty-one thousand, two hundred eleven".