221110220120001 has 8 divisors (see below), whose sum is σ = 294827626323360. Its totient is φ = 147399813664992.

The previous prime is 221110220119949. The next prime is 221110220120057. The reversal of 221110220120001 is 100021022011122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221110220120001 - 2¹¹ = 221110220117953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221110220120081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1749863380 + ... + 1749989733.

It is an arithmetic number, because the mean of its divisors is an integer number (36853453290420).

Almost surely, 2^{221110220120001} is an apocalyptic number.

It is an amenable number.

221110220120001 is a deficient number, since it is larger than the sum of its proper divisors (73717406203359).

221110220120001 is a wasteful number, since it uses less digits than its factorization.

221110220120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499874175.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221110220120001 its reverse (100021022011122), we get a palindrome (321131242131123).

The spelling of 221110220120001 in words is "two hundred twenty-one trillion, one hundred ten billion, two hundred twenty million, one hundred twenty thousand, one".