10020001111 has 8 divisors (see below), whose sum is σ = 10482784704. Its totient is φ = 9567617280.

The previous prime is 10020001109. The next prime is 10020001141. The reversal of 10020001111 is 11110002001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10020001111 - 2¹ = 10020001109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020001094 and 10020001103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020001141) 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, 2597970 + ... + 2601823.

It is an arithmetic number, because the mean of its divisors is an integer number (1310348088).

Almost surely, 2^10020001111 is an apocalyptic number.

10020001111 is a deficient number, since it is larger than the sum of its proper divisors (462783593).

10020001111 is an equidigital number, since it uses as much as digits as its factorization.

10020001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5199881.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10020001111 its reverse (11110002001), we get a palindrome (21130003112).

The spelling of 10020001111 in words is "ten billion, twenty million, one thousand, one hundred eleven".