10202120210222 has 4 divisors (see below), whose sum is σ = 15303180315336. Its totient is φ = 5101060105110.

The previous prime is 10202120210203. The next prime is 10202120210281. The reversal of 10202120210222 is 22201202120201.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10202120210222.

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, 2550530052554 + ... + 2550530052557.

It is an arithmetic number, because the mean of its divisors is an integer number (3825795078834).

Almost surely, 2^{10202120210222} is an apocalyptic number.

10202120210222 is a deficient number, since it is larger than the sum of its proper divisors (5101060105114).

10202120210222 is an equidigital number, since it uses as much as digits as its factorization.

10202120210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101060105113.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10202120210222 its reverse (22201202120201), we get a palindrome (32403322330423).

The spelling of 10202120210222 in words is "ten trillion, two hundred two billion, one hundred twenty million, two hundred ten thousand, two hundred twenty-two".