10020440023111 has 4 divisors (see below), whose sum is σ = 11451931454992. Its totient is φ = 8588948591232.

The previous prime is 10020440023043. The next prime is 10020440023117. The reversal of 10020440023111 is 11132004402001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10020440023111 - 2¹¹ = 10020440021063 is a prime.

It is a super-4 number, since 4×10020440023111⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020440023117) 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, 715745715930 + ... + 715745715943.

It is an arithmetic number, because the mean of its divisors is an integer number (2862982863748).

Almost surely, 2^{10020440023111} is an apocalyptic number.

10020440023111 is a deficient number, since it is larger than the sum of its proper divisors (1431491431881).

10020440023111 is an equidigital number, since it uses as much as digits as its factorization.

10020440023111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431491431880.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10020440023111 its reverse (11132004402001), we get a palindrome (21152444425112).

The spelling of 10020440023111 in words is "ten trillion, twenty billion, four hundred forty million, twenty-three thousand, one hundred eleven".