10020002111111 has 4 divisors (see below), whose sum is σ = 10025906651472. Its totient is φ = 10014097570752.

The previous prime is 10020002111107. The next prime is 10020002111137. The reversal of 10020002111111 is 11111120002001.

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 10020002111111 - 2² = 10020002111107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020002111092 and 10020002111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020022111111) 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, 2952267635 + ... + 2952271028.

It is an arithmetic number, because the mean of its divisors is an integer number (2506476662868).

Almost surely, 2^{10020002111111} is an apocalyptic number.

10020002111111 is a deficient number, since it is larger than the sum of its proper divisors (5904540361).

10020002111111 is an equidigital number, since it uses as much as digits as its factorization.

10020002111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5904540360.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10020002111111 its reverse (11111120002001), we get a palindrome (21131122113112).

The spelling of 10020002111111 in words is "ten trillion, twenty billion, two million, one hundred eleven thousand, one hundred eleven".