10202012122222 has 4 divisors (see below), whose sum is σ = 15303018183336. Its totient is φ = 5101006061110.

The previous prime is 10202012122177. The next prime is 10202012122273. The reversal of 10202012122222 is 22222121020201.

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 10202012122222.

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, 2550503030554 + ... + 2550503030557.

It is an arithmetic number, because the mean of its divisors is an integer number (3825754545834).

Almost surely, 2^{10202012122222} is an apocalyptic number.

10202012122222 is a deficient number, since it is larger than the sum of its proper divisors (5101006061114).

10202012122222 is an equidigital number, since it uses as much as digits as its factorization.

10202012122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101006061113.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10202012122222 its reverse (22222121020201), we get a palindrome (32424133142423).

The spelling of 10202012122222 in words is "ten trillion, two hundred two billion, twelve million, one hundred twenty-two thousand, two hundred twenty-two".