10202421112 has 32 divisors (see below), whose sum is σ = 20891213280. Its totient is φ = 4642485120.

The previous prime is 10202421091. The next prime is 10202421113. The reversal of 10202421112 is 21112420201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202421113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683463 + ... + 698230.

It is an arithmetic number, because the mean of its divisors is an integer number (652850415).

Almost surely, 2^10202421112 is an apocalyptic number.

It is an amenable number.

10202421112 is an abundant number, since it is smaller than the sum of its proper divisors (10688792168).

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

10202421112 is a wasteful number, since it uses less digits than its factorization.

10202421112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381783 (or 1381779 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10202421112 its reverse (21112420201), we get a palindrome (31314841313).

The spelling of 10202421112 in words is "ten billion, two hundred two million, four hundred twenty-one thousand, one hundred twelve".