210022222112021 has 8 divisors (see below), whose sum is σ = 231008665044288. Its totient is φ = 190929292827900.

The previous prime is 210022222111939. The next prime is 210022222112071. The reversal of 210022222112021 is 120211222220012.

It is not a de Polignac number, because 210022222112021 - 2²² = 210022217917717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210022222111984 and 210022222112002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022222112071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78896400665 + ... + 78896403326.

It is an arithmetic number, because the mean of its divisors is an integer number (28876083130536).

Almost surely, 2^{210022222112021} is an apocalyptic number.

It is an amenable number.

210022222112021 is a deficient number, since it is larger than the sum of its proper divisors (20986442932267).

210022222112021 is an equidigital number, since it uses as much as digits as its factorization.

210022222112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157792804024 (or 157792804002 counting only the distinct ones).

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

Adding to 210022222112021 its reverse (120211222220012), we get a palindrome (330233444332033).

The spelling of 210022222112021 in words is "two hundred ten trillion, twenty-two billion, two hundred twenty-two million, one hundred twelve thousand, twenty-one".