2201221221122 has 16 divisors (see below), whose sum is σ = 4116569556672. Its totient is φ = 857618657520.

The previous prime is 2201221221113. The next prime is 2201221221137. The reversal of 2201221221122 is 2211221221022.

It is a junction number, because it is equal to n+sod(n) for n = 2201221221094 and 2201221221103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7146821993 + ... + 7146822300.

It is an arithmetic number, because the mean of its divisors is an integer number (257285597292).

Almost surely, 2^{2201221221122} is an apocalyptic number.

2201221221122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2201221221122 is a deficient number, since it is larger than the sum of its proper divisors (1915348335550).

2201221221122 is a wasteful number, since it uses less digits than its factorization.

2201221221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14293644313.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2201221221122 its reverse (2211221221022), we get a palindrome (4412442442144).

The spelling of 2201221221122 in words is "two trillion, two hundred one billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred twenty-two".