1022022121020 has 24 divisors (see below), whose sum is σ = 2861661939024. Its totient is φ = 272539232256.

The previous prime is 1022022120991. The next prime is 1022022121063. The reversal of 1022022121020 is 201212202201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8516850949 + ... + 8516851068.

It is an arithmetic number, because the mean of its divisors is an integer number (119235914126).

Almost surely, 2^{1022022121020} is an apocalyptic number.

1022022121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022022121020 is an abundant number, since it is smaller than the sum of its proper divisors (1839639818004).

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

1022022121020 is a wasteful number, since it uses less digits than its factorization.

1022022121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17033702029 (or 17033702027 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1022022121020 its reverse (201212202201), we get a palindrome (1223234323221).

It can be divided in two parts, 102202 and 2121020, that added together give a palindrome (2223222).

The spelling of 1022022121020 in words is "one trillion, twenty-two billion, twenty-two million, one hundred twenty-one thousand, twenty".