1220122102001 has 16 divisors (see below), whose sum is σ = 1409377771008. Its totient is φ = 1043925945600.

The previous prime is 1220122101997. The next prime is 1220122102009. The reversal of 1220122102001 is 1002012210221.

It is a cyclic number.

It is not a de Polignac number, because 1220122102001 - 2² = 1220122101997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220122102009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9347456 + ... + 9477086.

It is an arithmetic number, because the mean of its divisors is an integer number (88086110688).

Almost surely, 2^{1220122102001} is an apocalyptic number.

1220122102001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1220122102001 is a deficient number, since it is larger than the sum of its proper divisors (189255669007).

1220122102001 is a wasteful number, since it uses less digits than its factorization.

1220122102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179992.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220122102001 its reverse (1002012210221), we get a palindrome (2222134312222).

The spelling of 1220122102001 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, one hundred two thousand, one".