110201222100021 has 16 divisors (see below), whose sum is σ = 167545749438144. Its totient is φ = 63826952166144.

The previous prime is 110201222100017. The next prime is 110201222100059. The reversal of 110201222100021 is 120001222102011.

It is not a de Polignac number, because 110201222100021 - 2² = 110201222100017 is a prime.

It is a super-2 number, since 2×110201222100021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110201222100001) 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, 83108009971 + ... + 83108011296.

It is an arithmetic number, because the mean of its divisors is an integer number (10471609339884).

Almost surely, 2^{110201222100021} is an apocalyptic number.

It is an amenable number.

110201222100021 is a deficient number, since it is larger than the sum of its proper divisors (57344527338123).

110201222100021 is a wasteful number, since it uses less digits than its factorization.

110201222100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166216021300.

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

Adding to 110201222100021 its reverse (120001222102011), we get a palindrome (230202444202032).

The spelling of 110201222100021 in words is "one hundred ten trillion, two hundred one billion, two hundred twenty-two million, one hundred thousand, twenty-one".