122011000122001 has 4 divisors (see below), whose sum is σ = 123555443161600. Its totient is φ = 120466557082404.

The previous prime is 122011000121993. The next prime is 122011000122023. The reversal of 122011000122001 is 100221000110221.

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 122011000122001 - 2³ = 122011000121993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122011000122101) 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, 772221519681 + ... + 772221519838.

It is an arithmetic number, because the mean of its divisors is an integer number (30888860790400).

Almost surely, 2^{122011000122001} is an apocalyptic number.

It is an amenable number.

122011000122001 is a deficient number, since it is larger than the sum of its proper divisors (1544443039599).

122011000122001 is an equidigital number, since it uses as much as digits as its factorization.

122011000122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544443039598.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122011000122001 its reverse (100221000110221), we get a palindrome (222232000232222).

The spelling of 122011000122001 in words is "one hundred twenty-two trillion, eleven billion, one hundred twenty-two thousand, one".