220201210111101 has 16 divisors (see below), whose sum is σ = 299195647188480. Its totient is φ = 144004796936000.

The previous prime is 220201210111087. The next prime is 220201210111139. The reversal of 220201210111101 is 101111012102022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220201210111101 - 2¹⁴ = 220201210094717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220201210111601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125003661 + ... + 126752978.

It is an arithmetic number, because the mean of its divisors is an integer number (18699727949280).

Almost surely, 2^{220201210111101} is an apocalyptic number.

It is an amenable number.

220201210111101 is a deficient number, since it is larger than the sum of its proper divisors (78994437077379).

220201210111101 is a wasteful number, since it uses less digits than its factorization.

220201210111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251762196.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 220201210111101 its reverse (101111012102022), we get a palindrome (321312222213123).

The spelling of 220201210111101 in words is "two hundred twenty trillion, two hundred one billion, two hundred ten million, one hundred eleven thousand, one hundred one".