103121210030 has 16 divisors (see below), whose sum is σ = 185644263744. Its totient is φ = 41242687200.

The previous prime is 103121209999. The next prime is 103121210063. The reversal of 103121210030 is 30012121301.

It is a junction number, because it is equal to n+sod(n) for n = 103121209987 and 103121210014.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 649517 + ... + 792536.

It is an arithmetic number, because the mean of its divisors is an integer number (11602766484).

Almost surely, 2^103121210030 is an apocalyptic number.

103121210030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103121210030 is a deficient number, since it is larger than the sum of its proper divisors (82523053714).

103121210030 is a wasteful number, since it uses less digits than its factorization.

103121210030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449211.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 103121210030 its reverse (30012121301), we get a palindrome (133133331331).

The spelling of 103121210030 in words is "one hundred three billion, one hundred twenty-one million, two hundred ten thousand, thirty".