103020021122 has 12 divisors (see below), whose sum is σ = 158390989458. Its totient is φ = 50253667200.

The previous prime is 103020021089. The next prime is 103020021151. The reversal of 103020021122 is 221120020301.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 65468945161 + 37551075961 = 255869^2 + 193781^2 .

It is a super-2 number, since 2×103020021122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103020021097 and 103020021106.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15317879 + ... + 15324602.

Almost surely, 2^103020021122 is an apocalyptic number.

103020021122 is a deficient number, since it is larger than the sum of its proper divisors (55370968336).

103020021122 is an equidigital number, since it uses as much as digits as its factorization.

103020021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30642565 (or 30642524 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 103020021122 its reverse (221120020301), we get a palindrome (324140041423).

The spelling of 103020021122 in words is "one hundred three billion, twenty million, twenty-one thousand, one hundred twenty-two".