10112102021 has 20 divisors (see below), whose sum is σ = 11808298944. Its totient is φ = 8659035000.

The previous prime is 10112101963. The next prime is 10112102047. The reversal of 10112102021 is 12020121101.

It is not a de Polignac number, because 10112102021 - 2⁶ = 10112101957 is a prime.

It is a super-2 number, since 2×10112102021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10112101993 and 10112102011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112102921) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4491146 + ... + 4493396.

Almost surely, 2^10112102021 is an apocalyptic number.

It is an amenable number.

10112102021 is a deficient number, since it is larger than the sum of its proper divisors (1696196923).

10112102021 is an frugal number, since it uses more digits than its factorization.

10112102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150 (or 4129 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10112102021 its reverse (12020121101), we get a palindrome (22132223122).

The spelling of 10112102021 in words is "ten billion, one hundred twelve million, one hundred two thousand, twenty-one".