10203021112 has 16 divisors (see below), whose sum is σ = 19181958840. Its totient is φ = 5087832096.

The previous prime is 10203021107. The next prime is 10203021113. The reversal of 10203021112 is 21112030201.

It is a junction number, because it is equal to n+sod(n) for n = 10203021092 and 10203021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203021113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706638 + ... + 1712605.

Almost surely, 2^10203021112 is an apocalyptic number.

It is an amenable number.

10203021112 is a deficient number, since it is larger than the sum of its proper divisors (8978937728).

10203021112 is a wasteful number, since it uses less digits than its factorization.

10203021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419622 (or 3419618 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10203021112 its reverse (21112030201), we get a palindrome (31315051313).

The spelling of 10203021112 in words is "ten billion, two hundred three million, twenty-one thousand, one hundred twelve".