2210222021121 has 12 divisors (see below), whose sum is σ = 3192757564672. Its totient is φ = 1473382280376.

The previous prime is 2210222021101. The next prime is 2210222021123. The reversal of 2210222021121 is 1211202220122.

It is a happy number.

2210222021121 is a `hidden beast` number, since 2 + 210 + 2 + 220 + 211 + 21 = 666.

It is not a de Polignac number, because 2210222021121 - 2⁶ = 2210222021057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210222021094 and 2210222021103.

It is not an unprimeable number, because it can be changed into a prime (2210222021123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8114161 + ... + 8382126.

Almost surely, 2^{2210222021121} is an apocalyptic number.

It is an amenable number.

2210222021121 is a deficient number, since it is larger than the sum of its proper divisors (982535543551).

2210222021121 is a wasteful number, since it uses less digits than its factorization.

2210222021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16511180 (or 16511177 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2210222021121 its reverse (1211202220122), we get a palindrome (3421424241243).

The spelling of 2210222021121 in words is "two trillion, two hundred ten billion, two hundred twenty-two million, twenty-one thousand, one hundred twenty-one".