221122200100001 has 16 divisors (see below), whose sum is σ = 232864699161600. Its totient is φ = 209390155909200.

The previous prime is 221122200099989. The next prime is 221122200100027. The reversal of 221122200100001 is 100001002221122.

It is a cyclic number.

It is not a de Polignac number, because 221122200100001 - 2³⁴ = 221105020230817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221122200106001) 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, 1746129956 + ... + 1746256586.

It is an arithmetic number, because the mean of its divisors is an integer number (14554043697600).

Almost surely, 2^{221122200100001} is an apocalyptic number.

It is an amenable number.

221122200100001 is a deficient number, since it is larger than the sum of its proper divisors (11742499061599).

221122200100001 is a wasteful number, since it uses less digits than its factorization.

221122200100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167180.

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

Adding to 221122200100001 its reverse (100001002221122), we get a palindrome (321123202321123).

The spelling of 221122200100001 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, two hundred million, one hundred thousand, one".