210022221101111 has 4 divisors (see below), whose sum is σ = 210022343669952. Its totient is φ = 210022098532272.

The previous prime is 210022221101083. The next prime is 210022221101113. The reversal of 210022221101111 is 111101122220012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210022221101111 is a prime.

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 210022221101111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022221101113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58677191 + ... + 62153496.

It is an arithmetic number, because the mean of its divisors is an integer number (52505585917488).

Almost surely, 2^{210022221101111} is an apocalyptic number.

210022221101111 is a deficient number, since it is larger than the sum of its proper divisors (122568841).

210022221101111 is a wasteful number, since it uses less digits than its factorization.

210022221101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122568840.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 210022221101111 its reverse (111101122220012), we get a palindrome (321123343321123).

The spelling of 210022221101111 in words is "two hundred ten trillion, twenty-two billion, two hundred twenty-one million, one hundred one thousand, one hundred eleven".