7220021112122 has 32 divisors (see below), whose sum is σ = 13330103520384. Its totient is φ = 2856093422400.

The previous prime is 7220021112103. The next prime is 7220021112167. The reversal of 7220021112122 is 2212111200227.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1695872 + ... + 4161252.

It is an arithmetic number, because the mean of its divisors is an integer number (416565735012).

Almost surely, 2^{7220021112122} is an apocalyptic number.

7220021112122 is a deficient number, since it is larger than the sum of its proper divisors (6110082408262).

7220021112122 is a wasteful number, since it uses less digits than its factorization.

7220021112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481494.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 7220021112122 its reverse (2212111200227), we get a palindrome (9432132312349).

The spelling of 7220021112122 in words is "seven trillion, two hundred twenty billion, twenty-one million, one hundred twelve thousand, one hundred twenty-two".