210022210021111 has 16 divisors (see below), whose sum is σ = 219758113935360. Its totient is φ = 200476447760160.

The previous prime is 210022210021103. The next prime is 210022210021121. The reversal of 210022210021111 is 111120012220012.

It is a cyclic number.

It is not a de Polignac number, because 210022210021111 - 2³ = 210022210021103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022210021121) 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, 39848065 + ... + 44809738.

It is an arithmetic number, because the mean of its divisors is an integer number (13734882120960).

Almost surely, 2^{210022210021111} is an apocalyptic number.

210022210021111 is a deficient number, since it is larger than the sum of its proper divisors (9735903914249).

210022210021111 is a wasteful number, since it uses less digits than its factorization.

210022210021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84658926.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210022210021111 its reverse (111120012220012), we get a palindrome (321142222241123).

The spelling of 210022210021111 in words is "two hundred ten trillion, twenty-two billion, two hundred ten million, twenty-one thousand, one hundred eleven".