12201222002101 has 4 divisors (see below), whose sum is σ = 13310424002304. Its totient is φ = 11092020001900.

The previous prime is 12201222002093. The next prime is 12201222002111. The reversal of 12201222002101 is 10120022210221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12201222002101 - 2³ = 12201222002093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201222002111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554601000085 + ... + 554601000106.

It is an arithmetic number, because the mean of its divisors is an integer number (3327606000576).

Almost surely, 2^{12201222002101} is an apocalyptic number.

12201222002101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12201222002101 is a deficient number, since it is larger than the sum of its proper divisors (1109202000203).

12201222002101 is a wasteful number, since it uses less digits than its factorization.

12201222002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109202000202.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12201222002101 its reverse (10120022210221), we get a palindrome (22321244212322).

It can be divided in two parts, 1220122 and 2002101, that added together give a palindrome (3222223).

The spelling of 12201222002101 in words is "twelve trillion, two hundred one billion, two hundred twenty-two million, two thousand, one hundred one".