210120221122102 has 32 divisors (see below), whose sum is σ = 317326461414912. Its totient is φ = 104347054900704.

The previous prime is 210120221122093. The next prime is 210120221122109. The reversal of 210120221122102 is 201221122021012.

It is a self number, because there is not a number n which added to its sum of digits gives 210120221122102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120221122109) 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, 919099053 + ... + 919327639.

It is an arithmetic number, because the mean of its divisors is an integer number (9916451919216).

Almost surely, 2^{210120221122102} is an apocalyptic number.

210120221122102 is a deficient number, since it is larger than the sum of its proper divisors (107206240292810).

210120221122102 is a wasteful number, since it uses less digits than its factorization.

210120221122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233652.

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

Adding to 210120221122102 its reverse (201221122021012), we get a palindrome (411341343143114).

The spelling of 210120221122102 in words is "two hundred ten trillion, one hundred twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred two".