103031221101 has 16 divisors (see below), whose sum is σ = 138962374848. Its totient is φ = 67897856000.

The previous prime is 103031221091. The next prime is 103031221123. The reversal of 103031221101 is 101122130301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 103031221101 - 2¹⁰ = 103031220077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103031221171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409050 + ... + 611051.

It is an arithmetic number, because the mean of its divisors is an integer number (8685148428).

Almost surely, 2^103031221101 is an apocalyptic number.

It is an amenable number.

103031221101 is a deficient number, since it is larger than the sum of its proper divisors (35931153747).

103031221101 is a wasteful number, since it uses less digits than its factorization.

103031221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020492.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 103031221101 its reverse (101122130301), we get a palindrome (204153351402).

The spelling of 103031221101 in words is "one hundred three billion, thirty-one million, two hundred twenty-one thousand, one hundred one".