121303030111030 has 32 divisors (see below), whose sum is σ = 219327963063840. Its totient is φ = 48302932849920.

The previous prime is 121303030110991. The next prime is 121303030111057. The reversal of 121303030111030 is 30111030303121.

It is a super-2 number, since 2×121303030111030² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121303030110989 and 121303030111007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13811797 + ... + 20817583.

It is an arithmetic number, because the mean of its divisors is an integer number (6853998845745).

Almost surely, 2^{121303030111030} is an apocalyptic number.

121303030111030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121303030111030 is a deficient number, since it is larger than the sum of its proper divisors (98024932952810).

121303030111030 is a wasteful number, since it uses less digits than its factorization.

121303030111030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013584.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 121303030111030 its reverse (30111030303121), we get a palindrome (151414060414151).

The spelling of 121303030111030 in words is "one hundred twenty-one trillion, three hundred three billion, thirty million, one hundred eleven thousand, thirty".