122221100001001 has 8 divisors (see below), whose sum is σ = 124224811193504. Its totient is φ = 120222668681280.

The previous prime is 122221100000969. The next prime is 122221100001029. The reversal of 122221100001001 is 100100001122221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122221100001001 - 2⁵ = 122221100000969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122221100001031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319921520 + ... + 1320014113.

It is an arithmetic number, because the mean of its divisors is an integer number (15528101399188).

Almost surely, 2^{122221100001001} is an apocalyptic number.

It is an amenable number.

122221100001001 is a deficient number, since it is larger than the sum of its proper divisors (2003711192503).

122221100001001 is an equidigital number, since it uses as much as digits as its factorization.

122221100001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639936391.

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

Adding to 122221100001001 its reverse (100100001122221), we get a palindrome (222321101123222).

The spelling of 122221100001001 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred million, one thousand, one".