10201220102 has 4 divisors (see below), whose sum is σ = 15301830156. Its totient is φ = 5100610050.

The previous prime is 10201220083. The next prime is 10201220129. The reversal of 10201220102 is 20102210201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20102210201 = 17 ⋅1182482953.

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, 2550305024 + ... + 2550305027.

It is an arithmetic number, because the mean of its divisors is an integer number (3825457539).

Almost surely, 2^10201220102 is an apocalyptic number.

10201220102 is a deficient number, since it is larger than the sum of its proper divisors (5100610054).

10201220102 is an equidigital number, since it uses as much as digits as its factorization.

10201220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100610053.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10201220102 its reverse (20102210201), we get a palindrome (30303430303).

Subtracting 10201220102 from its reverse (20102210201), we obtain a palindrome (9900990099).

The spelling of 10201220102 in words is "ten billion, two hundred one million, two hundred twenty thousand, one hundred two".