10440212122111 has 4 divisors (see below), whose sum is σ = 10494306485632. Its totient is φ = 10386117758592.

The previous prime is 10440212122097. The next prime is 10440212122133. The reversal of 10440212122111 is 11122121204401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10440212122111 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 (10440212422111) 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, 27047181471 + ... + 27047181856.

It is an arithmetic number, because the mean of its divisors is an integer number (2623576621408).

Almost surely, 2^{10440212122111} is an apocalyptic number.

10440212122111 is a deficient number, since it is larger than the sum of its proper divisors (54094363521).

10440212122111 is an equidigital number, since it uses as much as digits as its factorization.

10440212122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54094363520.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 10440212122111 its reverse (11122121204401), we get a palindrome (21562333326512).

The spelling of 10440212122111 in words is "ten trillion, four hundred forty billion, two hundred twelve million, one hundred twenty-two thousand, one hundred eleven".