210022202021111 has 4 divisors (see below), whose sum is σ = 210097183174224. Its totient is φ = 209947220868000.

The previous prime is 210022202021081. The next prime is 210022202021123. The reversal of 210022202021111 is 111120202220012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210022202021111 - 2²² = 210022197826807 is a prime.

It is a super-2 number, since 2×210022202021111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210022202021111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022202021161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37490572355 + ... + 37490577956.

It is an arithmetic number, because the mean of its divisors is an integer number (52524295793556).

Almost surely, 2^{210022202021111} is an apocalyptic number.

210022202021111 is a deficient number, since it is larger than the sum of its proper divisors (74981153113).

210022202021111 is an equidigital number, since it uses as much as digits as its factorization.

210022202021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74981153112.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210022202021111 its reverse (111120202220012), we get a palindrome (321142404241123).

The spelling of 210022202021111 in words is "two hundred ten trillion, twenty-two billion, two hundred two million, twenty-one thousand, one hundred eleven".