2210121220102 has 4 divisors (see below), whose sum is σ = 3315181830156. Its totient is φ = 1105060610050.

The previous prime is 2210121220093. The next prime is 2210121220141. The reversal of 2210121220102 is 2010221210122.

It is a happy number.

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

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, 552530305024 + ... + 552530305027.

It is an arithmetic number, because the mean of its divisors is an integer number (828795457539).

Almost surely, 2^{2210121220102} is an apocalyptic number.

2210121220102 is a deficient number, since it is larger than the sum of its proper divisors (1105060610054).

2210121220102 is a wasteful number, since it uses less digits than its factorization.

2210121220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105060610053.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2210121220102 its reverse (2010221210122), we get a palindrome (4220342430224).

The spelling of 2210121220102 in words is "two trillion, two hundred ten billion, one hundred twenty-one million, two hundred twenty thousand, one hundred two".