210201220102 has 16 divisors (see below), whose sum is σ = 319327617600. Its totient is φ = 103758969600.

The previous prime is 210201220051. The next prime is 210201220111. The reversal of 210201220102 is 201022102012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1497174 + ... + 1631542.

It is an arithmetic number, because the mean of its divisors is an integer number (19957976100).

Almost surely, 2^210201220102 is an apocalyptic number.

210201220102 is a deficient number, since it is larger than the sum of its proper divisors (109126397498).

210201220102 is a wasteful number, since it uses less digits than its factorization.

210201220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144351.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210201220102 its reverse (201022102012), we get a palindrome (411223322114).

It can be divided in two parts, 2102012 and 20102, that multiplied together give a palindrome (42254645224).

The spelling of 210201220102 in words is "two hundred ten billion, two hundred one million, two hundred twenty thousand, one hundred two".