103021123122 has 24 divisors (see below), whose sum is σ = 236342577276. Its totient is φ = 32320352256.

The previous prime is 103021123099. The next prime is 103021123193. The reversal of 103021123122 is 221321120301.

It can be written as a sum of positive squares in 2 ways, for example, as 84955343841 + 18065779281 = 291471^2 + 134409^2 .

It is a super-2 number, since 2×103021123122² (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 103021123095 and 103021123104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168334863 + ... + 168335474.

Almost surely, 2^103021123122 is an apocalyptic number.

103021123122 is an abundant number, since it is smaller than the sum of its proper divisors (133321454154).

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

103021123122 is a wasteful number, since it uses less digits than its factorization.

103021123122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336670362 (or 336670359 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103021123122 its reverse (221321120301), we get a palindrome (324342243423).

The spelling of 103021123122 in words is "one hundred three billion, twenty-one million, one hundred twenty-three thousand, one hundred twenty-two".