10102020112 has 20 divisors (see below), whose sum is σ = 19583883580. Its totient is φ = 5048114688.

The previous prime is 10102020091. The next prime is 10102020119. The reversal of 10102020112 is 21102020101.

It can be written as a sum of positive squares in 2 ways, for example, as 5684556816 + 4417463296 = 75396^2 + 66464^2 .

It is not an unprimeable number, because it can be changed into a prime (10102020119) 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, 152037 + ... + 208132.

It is an arithmetic number, because the mean of its divisors is an integer number (979194179).

Almost surely, 2^10102020112 is an apocalyptic number.

It is an amenable number.

10102020112 is a deficient number, since it is larger than the sum of its proper divisors (9481863468).

10102020112 is a wasteful number, since it uses less digits than its factorization.

10102020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361930 (or 361924 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10102020112 its reverse (21102020101), we get a palindrome (31204040213).

The spelling of 10102020112 in words is "ten billion, one hundred two million, twenty thousand, one hundred twelve".