1222100012001 has 16 divisors (see below), whose sum is σ = 1797573055680. Its totient is φ = 732344574720.

The previous prime is 1222100011999. The next prime is 1222100012027. The reversal of 1222100012001 is 1002100012221.

It is not a de Polignac number, because 1222100012001 - 2¹ = 1222100011999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222100012071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208049500 + ... + 208055373.

It is an arithmetic number, because the mean of its divisors is an integer number (112348315980).

Almost surely, 2^{1222100012001} is an apocalyptic number.

1222100012001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222100012001 is a deficient number, since it is larger than the sum of its proper divisors (575473043679).

1222100012001 is a wasteful number, since it uses less digits than its factorization.

1222100012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416104976.

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

Adding to 1222100012001 its reverse (1002100012221), we get a palindrome (2224200024222).

The spelling of 1222100012001 in words is "one trillion, two hundred twenty-two billion, one hundred million, twelve thousand, one".