210022222022221 has 32 divisors (see below), whose sum is σ = 245773694251008. Its totient is φ = 175713526376640.

The previous prime is 210022222022219. The next prime is 210022222022251. The reversal of 210022222022221 is 122220222220012.

It is not a de Polignac number, because 210022222022221 - 2¹ = 210022222022219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210022222022192 and 210022222022201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022222022251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3736556700 + ... + 3736612906.

It is an arithmetic number, because the mean of its divisors is an integer number (7680427945344).

Almost surely, 2^{210022222022221} is an apocalyptic number.

It is an amenable number.

210022222022221 is a deficient number, since it is larger than the sum of its proper divisors (35751472228787).

210022222022221 is a wasteful number, since it uses less digits than its factorization.

210022222022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64441.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 210022222022221 its reverse (122220222220012), we get a palindrome (332242444242233).

The spelling of 210022222022221 in words is "two hundred ten trillion, twenty-two billion, two hundred twenty-two million, twenty-two thousand, two hundred twenty-one".