1020101222222 has 4 divisors (see below), whose sum is σ = 1530151833336. Its totient is φ = 510050611110.

The previous prime is 1020101222213. The next prime is 1020101222249. The reversal of 1020101222222 is 2222221010201.

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 1020101222222.

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, 255025305554 + ... + 255025305557.

It is an arithmetic number, because the mean of its divisors is an integer number (382537958334).

Almost surely, 2^{1020101222222} is an apocalyptic number.

1020101222222 is a deficient number, since it is larger than the sum of its proper divisors (510050611114).

1020101222222 is an equidigital number, since it uses as much as digits as its factorization.

1020101222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510050611113.

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

Adding to 1020101222222 its reverse (2222221010201), we get a palindrome (3242322232423).

The spelling of 1020101222222 in words is "one trillion, twenty billion, one hundred one million, two hundred twenty-two thousand, two hundred twenty-two".