103220012121 has 16 divisors (see below), whose sum is σ = 137900209920. Its totient is φ = 68676688080.

The previous prime is 103220012107. The next prime is 103220012131. The reversal of 103220012121 is 121210022301.

It is not a de Polignac number, because 103220012121 - 2⁶ = 103220012057 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103220012121.

It is not an unprimeable number, because it can be changed into a prime (103220012131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4139790 + ... + 4164648.

It is an arithmetic number, because the mean of its divisors is an integer number (8618763120).

Almost surely, 2^103220012121 is an apocalyptic number.

It is an amenable number.

103220012121 is a deficient number, since it is larger than the sum of its proper divisors (34680197799).

103220012121 is a wasteful number, since it uses less digits than its factorization.

103220012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27556.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 103220012121 its reverse (121210022301), we get a palindrome (224430034422).

The spelling of 103220012121 in words is "one hundred three billion, two hundred twenty million, twelve thousand, one hundred twenty-one".