7900101010221 has 12 divisors (see below), whose sum is σ = 12253217893632. Its totient is φ = 4514343434328.

The previous prime is 7900101010199. The next prime is 7900101010301. The reversal of 7900101010221 is 1220101010097.

It is not a de Polignac number, because 7900101010221 - 2⁶ = 7900101010157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7900101010191 and 7900101010200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7900101000221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26871091725 + ... + 26871092018.

It is an arithmetic number, because the mean of its divisors is an integer number (1021101491136).

Almost surely, 2^{7900101010221} is an apocalyptic number.

It is an amenable number.

7900101010221 is a deficient number, since it is larger than the sum of its proper divisors (4353116883411).

7900101010221 is a wasteful number, since it uses less digits than its factorization.

7900101010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53742183760 (or 53742183753 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 24.

The spelling of 7900101010221 in words is "seven trillion, nine hundred billion, one hundred one million, ten thousand, two hundred twenty-one".