2210020222121 has 16 divisors (see below), whose sum is σ = 2279088679680. Its totient is φ = 2142009767040.

The previous prime is 2210020222097. The next prime is 2210020222147. The reversal of 2210020222121 is 1212220200122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2210020222121 - 2¹⁸ = 2210019959977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2210020222121.

It is not an unprimeable number, because it can be changed into a prime (2210020222321) 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, 4990466 + ... + 5415236.

It is an arithmetic number, because the mean of its divisors is an integer number (142443042480).

Almost surely, 2^{2210020222121} is an apocalyptic number.

It is an amenable number.

2210020222121 is a deficient number, since it is larger than the sum of its proper divisors (69068457559).

2210020222121 is a wasteful number, since it uses less digits than its factorization.

2210020222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426016.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2210020222121 its reverse (1212220200122), we get a palindrome (3422240422243).

The spelling of 2210020222121 in words is "two trillion, two hundred ten billion, twenty million, two hundred twenty-two thousand, one hundred twenty-one".