111420122040001 has 4 divisors (see below), whose sum is σ = 111422773490112. Its totient is φ = 111417470589892.

The previous prime is 111420122039983. The next prime is 111420122040041. The reversal of 111420122040001 is 100040221024111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111420122040001 - 2¹³ = 111420122031809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111420122040041) 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, 1325662021 + ... + 1325746066.

It is an arithmetic number, because the mean of its divisors is an integer number (27855693372528).

Almost surely, 2^{111420122040001} is an apocalyptic number.

It is an amenable number.

111420122040001 is a deficient number, since it is larger than the sum of its proper divisors (2651450111).

111420122040001 is an equidigital number, since it uses as much as digits as its factorization.

111420122040001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651450110.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111420122040001 its reverse (100040221024111), we get a palindrome (211460343064112).

The spelling of 111420122040001 in words is "one hundred eleven trillion, four hundred twenty billion, one hundred twenty-two million, forty thousand, one".