2212002122101 has 4 divisors (see below), whose sum is σ = 2212016916652. Its totient is φ = 2211987327552.

The previous prime is 2212002122089. The next prime is 2212002122119. The reversal of 2212002122101 is 1012212002122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1296011480625 + 915990641476 = 1138425^2 + 957074^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212002122101 - 2³⁹ = 1662246308213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212002122171) 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, 7170690 + ... + 7472803.

It is an arithmetic number, because the mean of its divisors is an integer number (553004229163).

Almost surely, 2^{2212002122101} is an apocalyptic number.

It is an amenable number.

2212002122101 is a deficient number, since it is larger than the sum of its proper divisors (14794551).

2212002122101 is a wasteful number, since it uses less digits than its factorization.

2212002122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14794550.

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

Adding to 2212002122101 its reverse (1012212002122), we get a palindrome (3224214124223).

It can be divided in two parts, 2212002122 and 101, that multiplied together give a palindrome (223412214322).

The spelling of 2212002122101 in words is "two trillion, two hundred twelve billion, two million, one hundred twenty-two thousand, one hundred one".