122110100001001 has 4 divisors (see below), whose sum is σ = 139554400001152. Its totient is φ = 104665800000852.

The previous prime is 122110100000981. The next prime is 122110100001041. The reversal of 122110100001001 is 100100001011221.

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 a de Polignac number, because none of the positive numbers 2^k-122110100001001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122110100001041) 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, 8722150000065 + ... + 8722150000078.

It is an arithmetic number, because the mean of its divisors is an integer number (34888600000288).

Almost surely, 2^{122110100001001} is an apocalyptic number.

It is an amenable number.

122110100001001 is a deficient number, since it is larger than the sum of its proper divisors (17444300000151).

122110100001001 is an equidigital number, since it uses as much as digits as its factorization.

122110100001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17444300000150.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 122110100001001 its reverse (100100001011221), we get a palindrome (222210101012222).

The spelling of 122110100001001 in words is "one hundred twenty-two trillion, one hundred ten billion, one hundred million, one thousand, one".