10402011111 has 8 divisors (see below), whose sum is σ = 14599313920. Its totient is φ = 6569691192.

The previous prime is 10402011079. The next prime is 10402011143. The reversal of 10402011111 is 11111020401.

It is an interprime number because it is at equal distance from previous prime (10402011079) and next prime (10402011143).

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

It is not a de Polignac number, because 10402011111 - 2⁵ = 10402011079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402011181) 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, 91245655 + ... + 91245768.

It is an arithmetic number, because the mean of its divisors is an integer number (1824914240).

Almost surely, 2^10402011111 is an apocalyptic number.

10402011111 is a deficient number, since it is larger than the sum of its proper divisors (4197302809).

10402011111 is a wasteful number, since it uses less digits than its factorization.

10402011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182491445.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10402011111 its reverse (11111020401), we get a palindrome (21513031512).

The spelling of 10402011111 in words is "ten billion, four hundred two million, eleven thousand, one hundred eleven".