10402011202111 has 4 divisors (see below), whose sum is σ = 10402022024800. Its totient is φ = 10402000379424.

The previous prime is 10402011202109. The next prime is 10402011202117. The reversal of 10402011202111 is 11120211020401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10402011202111 - 2¹ = 10402011202109 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 (10402011202117) 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, 3812106 + ... + 5944423.

It is an arithmetic number, because the mean of its divisors is an integer number (2600505506200).

Almost surely, 2^{10402011202111} is an apocalyptic number.

10402011202111 is a deficient number, since it is larger than the sum of its proper divisors (10822689).

10402011202111 is an equidigital number, since it uses as much as digits as its factorization.

10402011202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10822688.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10402011202111 its reverse (11120211020401), we get a palindrome (21522222222512).

The spelling of 10402011202111 in words is "ten trillion, four hundred two billion, eleven million, two hundred two thousand, one hundred eleven".