210221111021222 has 64 divisors (see below), whose sum is σ = 375168883507200. Its totient is φ = 86438374592640.

The previous prime is 210221111021213. The next prime is 210221111021459. The reversal of 210221111021222 is 222120111122012.

It is a junction number, because it is equal to n+sod(n) for n = 210221111021194 and 210221111021203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39316097 + ... + 44341827.

It is an arithmetic number, because the mean of its divisors is an integer number (5862013804800).

Almost surely, 2^{210221111021222} is an apocalyptic number.

210221111021222 is a deficient number, since it is larger than the sum of its proper divisors (164947772485978).

210221111021222 is a wasteful number, since it uses less digits than its factorization.

210221111021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026421.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 210221111021222 its reverse (222120111122012), we get a palindrome (432341222143234).

The spelling of 210221111021222 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred eleven million, twenty-one thousand, two hundred twenty-two".