1020112221022 has 16 divisors (see below), whose sum is σ = 1562451685632. Its totient is φ = 499396993920.

The previous prime is 1020112221017. The next prime is 1020112221047. The reversal of 1020112221022 is 2201222110201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020112220987 and 1020112221005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25480254 + ... + 25520257.

It is an arithmetic number, because the mean of its divisors is an integer number (97653230352).

Almost surely, 2^{1020112221022} is an apocalyptic number.

1020112221022 is a deficient number, since it is larger than the sum of its proper divisors (542339464610).

1020112221022 is a wasteful number, since it uses less digits than its factorization.

1020112221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51000723.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1020112221022 its reverse (2201222110201), we get a palindrome (3221334331223).

The spelling of 1020112221022 in words is "one trillion, twenty billion, one hundred twelve million, two hundred twenty-one thousand, twenty-two".