110221212120101 has 8 divisors (see below), whose sum is σ = 110703551631000. Its totient is φ = 109738881515520.

The previous prime is 110221212120079. The next prime is 110221212120119. The reversal of 110221212120101 is 101021212122011.

It can be written as a sum of positive squares in 4 ways, for example, as 92655063062500 + 17566149057601 = 9625750^2 + 4191199^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 110221212120101 - 2⁴² = 105823165608997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110221212120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221212129101) 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, 23213381 + ... + 27555461.

It is an arithmetic number, because the mean of its divisors is an integer number (13837943953875).

Almost surely, 2^{110221212120101} is an apocalyptic number.

It is an amenable number.

110221212120101 is a deficient number, since it is larger than the sum of its proper divisors (482339510899).

110221212120101 is a wasteful number, since it uses less digits than its factorization.

110221212120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4453159.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 110221212120101 its reverse (101021212122011), we get a palindrome (211242424242112).

The spelling of 110221212120101 in words is "one hundred ten trillion, two hundred twenty-one billion, two hundred twelve million, one hundred twenty thousand, one hundred one".