1222101002001 has 32 divisors (see below), whose sum is σ = 1794507111936. Its totient is φ = 739752037200.

The previous prime is 1222101001987. The next prime is 1222101002009. The reversal of 1222101002001 is 1002001012221.

It is not a de Polignac number, because 1222101002001 - 2¹⁰ = 1222101000977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222101002009) 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 31 ways as a sum of consecutive naturals, for example, 3049630 + ... + 3427016.

It is an arithmetic number, because the mean of its divisors is an integer number (56078347248).

Almost surely, 2^{1222101002001} is an apocalyptic number.

1222101002001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222101002001 is a deficient number, since it is larger than the sum of its proper divisors (572406109935).

1222101002001 is an equidigital number, since it uses as much as digits as its factorization.

1222101002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378234 (or 378212 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1222101002001 its reverse (1002001012221), we get a palindrome (2224102014222).

It can be divided in two parts, 122210 and 1002001, that added together give a palindrome (1124211).

The spelling of 1222101002001 in words is "one trillion, two hundred twenty-two billion, one hundred one million, two thousand, one".