103020333021 has 6 divisors (see below), whose sum is σ = 148807147710. Its totient is φ = 68680222008.

The previous prime is 103020332981. The next prime is 103020333023. The reversal of 103020333021 is 120333020301.

103020333021 is a `hidden beast` number, since 10 + 302 + 0 + 3 + 330 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 75412848996 + 27607484025 = 274614^2 + 166155^2 .

It is a de Polignac number, because none of the positive numbers 2^k-103020333021 is a prime.

It is a super-2 number, since 2×103020333021² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103020332985 and 103020333003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103020333023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5723351826 + ... + 5723351843.

It is an arithmetic number, because the mean of its divisors is an integer number (24801191285).

Almost surely, 2^103020333021 is an apocalyptic number.

It is an amenable number.

103020333021 is a deficient number, since it is larger than the sum of its proper divisors (45786814689).

103020333021 is a wasteful number, since it uses less digits than its factorization.

103020333021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11446703675 (or 11446703672 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 103020333021 its reverse (120333020301), we get a palindrome (223353353322).

The spelling of 103020333021 in words is "one hundred three billion, twenty million, three hundred thirty-three thousand, twenty-one".