10101220222 has 4 divisors (see below), whose sum is σ = 15151830336. Its totient is φ = 5050610110.

The previous prime is 10101220219. The next prime is 10101220237. The reversal of 10101220222 is 22202210101.

It is a happy number.

10101220222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525305054 + ... + 2525305057.

It is an arithmetic number, because the mean of its divisors is an integer number (3787957584).

Almost surely, 2^10101220222 is an apocalyptic number.

10101220222 is a deficient number, since it is larger than the sum of its proper divisors (5050610114).

10101220222 is an equidigital number, since it uses as much as digits as its factorization.

10101220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050610113.

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

Adding to 10101220222 its reverse (22202210101), we get a palindrome (32303430323).

The spelling of 10101220222 in words is "ten billion, one hundred one million, two hundred twenty thousand, two hundred twenty-two".