210220112221102 has 4 divisors (see below), whose sum is σ = 315330168331656. Its totient is φ = 105110056110550.

The previous prime is 210220112220973. The next prime is 210220112221109. The reversal of 210220112221102 is 201122211022012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 210220112221102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210220112221109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52555028055274 + ... + 52555028055277.

It is an arithmetic number, because the mean of its divisors is an integer number (78832542082914).

Almost surely, 2^{210220112221102} is an apocalyptic number.

210220112221102 is a deficient number, since it is larger than the sum of its proper divisors (105110056110554).

210220112221102 is a wasteful number, since it uses less digits than its factorization.

210220112221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105110056110553.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210220112221102 its reverse (201122211022012), we get a palindrome (411342323243114).

The spelling of 210220112221102 in words is "two hundred ten trillion, two hundred twenty billion, one hundred twelve million, two hundred twenty-one thousand, one hundred two".