40121130122111 has 4 divisors (see below), whose sum is σ = 40628992528800. Its totient is φ = 39613267715424.

The previous prime is 40121130122071. The next prime is 40121130122149. The reversal of 40121130122111 is 11122103112104.

It is a happy number.

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 40121130122111 - 2²² = 40121125927807 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 (40121130122011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253931203226 + ... + 253931203383.

It is an arithmetic number, because the mean of its divisors is an integer number (10157248132200).

Almost surely, 2^{40121130122111} is an apocalyptic number.

40121130122111 is a deficient number, since it is larger than the sum of its proper divisors (507862406689).

40121130122111 is an equidigital number, since it uses as much as digits as its factorization.

40121130122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507862406688.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 40121130122111 its reverse (11122103112104), we get a palindrome (51243233234215).

The spelling of 40121130122111 in words is "forty trillion, one hundred twenty-one billion, one hundred thirty million, one hundred twenty-two thousand, one hundred eleven".