122100210221102 has 4 divisors (see below), whose sum is σ = 183150315331656. Its totient is φ = 61050105110550.

The previous prime is 122100210221047. The next prime is 122100210221123. The reversal of 122100210221102 is 201122012001221.

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

It is a super-2 number, since 2×122100210221102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30525052555274 + ... + 30525052555277.

It is an arithmetic number, because the mean of its divisors is an integer number (45787578832914).

Almost surely, 2^{122100210221102} is an apocalyptic number.

122100210221102 is a deficient number, since it is larger than the sum of its proper divisors (61050105110554).

122100210221102 is an equidigital number, since it uses as much as digits as its factorization.

122100210221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61050105110553.

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

Adding to 122100210221102 its reverse (201122012001221), we get a palindrome (323222222222323).

The spelling of 122100210221102 in words is "one hundred twenty-two trillion, one hundred billion, two hundred ten million, two hundred twenty-one thousand, one hundred two".