10021102011 has 12 divisors (see below), whose sum is σ = 14488870240. Its totient is φ = 6674298480.

The previous prime is 10021101997. The next prime is 10021102019. The reversal of 10021102011 is 11020112001.

It is a happy number.

It is not a de Polignac number, because 10021102011 - 2¹⁰ = 10021100987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021101984 and 10021102002.

It is not an unprimeable number, because it can be changed into a prime (10021102019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 526480 + ... + 545181.

Almost surely, 2^10021102011 is an apocalyptic number.

10021102011 is a deficient number, since it is larger than the sum of its proper divisors (4467768229).

10021102011 is a wasteful number, since it uses less digits than its factorization.

10021102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072706 (or 1072703 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10021102011 its reverse (11020112001), we get a palindrome (21041214012).

The spelling of 10021102011 in words is "ten billion, twenty-one million, one hundred two thousand, eleven".