7220002122101 has 16 divisors (see below), whose sum is σ = 7381600464000. Its totient is φ = 7060152388608.

The previous prime is 7220002122071. The next prime is 7220002122119. The reversal of 7220002122101 is 1012212000227.

It is a cyclic number.

It is not a de Polignac number, because 7220002122101 - 2¹⁴ = 7220002105717 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 (7220002122301) 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, 5147885 + ... + 6398493.

It is an arithmetic number, because the mean of its divisors is an integer number (461350029000).

Almost surely, 2^{7220002122101} is an apocalyptic number.

It is an amenable number.

7220002122101 is a deficient number, since it is larger than the sum of its proper divisors (161598341899).

7220002122101 is a wasteful number, since it uses less digits than its factorization.

7220002122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251308.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 7220002122101 its reverse (1012212000227), we get a palindrome (8232214122328).

The spelling of 7220002122101 in words is "seven trillion, two hundred twenty billion, two million, one hundred twenty-two thousand, one hundred one".