101112200101221 has 16 divisors (see below), whose sum is σ = 138614079061248. Its totient is φ = 65521360857600.

The previous prime is 101112200101219. The next prime is 101112200101309. The reversal of 101112200101221 is 122101002211101.

It is a happy number.

It is not a de Polignac number, because 101112200101221 - 2¹ = 101112200101219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101112200101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112200100221) 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, 1516664836 + ... + 1516731501.

It is an arithmetic number, because the mean of its divisors is an integer number (8663379941328).

Almost surely, 2^{101112200101221} is an apocalyptic number.

It is an amenable number.

101112200101221 is a deficient number, since it is larger than the sum of its proper divisors (37501878960027).

101112200101221 is a wasteful number, since it uses less digits than its factorization.

101112200101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033396652.

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

Adding to 101112200101221 its reverse (122101002211101), we get a palindrome (223213202312322).

The spelling of 101112200101221 in words is "one hundred one trillion, one hundred twelve billion, two hundred million, one hundred one thousand, two hundred twenty-one".