103111202121030 has 32 divisors (see below), whose sum is σ = 274963205656800. Its totient is φ = 27496320565536.

The previous prime is 103111202121001. The next prime is 103111202121061. The reversal of 103111202121030 is 30121202111301.

103111202121030 is a `hidden beast` number, since 1 + 0 + 311 + 1 + 202 + 121 + 0 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103111202120994 and 103111202121012.

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, 190946670325 + ... + 190946670864.

It is an arithmetic number, because the mean of its divisors is an integer number (8592600176775).

Almost surely, 2^{103111202121030} is an apocalyptic number.

103111202121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103111202121030 is an abundant number, since it is smaller than the sum of its proper divisors (171852003535770).

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

103111202121030 is a wasteful number, since it uses less digits than its factorization.

103111202121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381893341205 (or 381893341199 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 103111202121030 its reverse (30121202111301), we get a palindrome (133232404232331).

The spelling of 103111202121030 in words is "one hundred three trillion, one hundred eleven billion, two hundred two million, one hundred twenty-one thousand, thirty".