1022122112020 has 24 divisors (see below), whose sum is σ = 2146477501224. Its totient is φ = 408844832256.

The previous prime is 1022122111973. The next prime is 1022122112041. The reversal of 1022122112020 is 202112212201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 338123642256 + 683998469764 = 581484^2 + 827042^2 .

It is a super-2 number, since 2×1022122112020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1022122111985 and 1022122112003.

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, 2664664 + ... + 3024016.

It is an arithmetic number, because the mean of its divisors is an integer number (89436562551).

Almost surely, 2^{1022122112020} is an apocalyptic number.

1022122112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022122112020 is an abundant number, since it is smaller than the sum of its proper divisors (1124355389204).

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

1022122112020 is a wasteful number, since it uses less digits than its factorization.

1022122112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501579 (or 501577 counting only the distinct ones).

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

Adding to 1022122112020 its reverse (202112212201), we get a palindrome (1224234324221).

The spelling of 1022122112020 in words is "one trillion, twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, twenty".