103121401242 has 16 divisors (see below), whose sum is σ = 209147631552. Its totient is φ = 33889662240.

The previous prime is 103121401241. The next prime is 103121401297. The reversal of 103121401242 is 242104121301.

It is a super-2 number, since 2×103121401242² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103121401241) 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, 121034083 + ... + 121034934.

It is an arithmetic number, because the mean of its divisors is an integer number (13071726972).

Almost surely, 2^103121401242 is an apocalyptic number.

103121401242 is an abundant number, since it is smaller than the sum of its proper divisors (106026230310).

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

103121401242 is a wasteful number, since it uses less digits than its factorization.

103121401242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242069093.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 103121401242 its reverse (242104121301), we get a palindrome (345225522543).

The spelling of 103121401242 in words is "one hundred three billion, one hundred twenty-one million, four hundred one thousand, two hundred forty-two".