1022112212020 has 24 divisors (see below), whose sum is σ = 2259405943200. Its totient is φ = 387326732832.

The previous prime is 1022112211999. The next prime is 1022112212029. The reversal of 1022112212020 is 202122112201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1022112211985 and 1022112212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022112212029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1344884110 + ... + 1344884869.

It is an arithmetic number, because the mean of its divisors is an integer number (94141914300).

Almost surely, 2^{1022112212020} is an apocalyptic number.

1022112212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022112212020 is an abundant number, since it is smaller than the sum of its proper divisors (1237293731180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022112212020 is a wasteful number, since it uses less digits than its factorization.

1022112212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689769007 (or 2689769005 counting only the distinct ones).

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

Adding to 1022112212020 its reverse (202122112201), we get a palindrome (1224234324221).

The spelling of 1022112212020 in words is "one trillion, twenty-two billion, one hundred twelve million, two hundred twelve thousand, twenty".