1122021001020 has 24 divisors (see below), whose sum is σ = 3141658803024. Its totient is φ = 299205600256.

The previous prime is 1122021000973. The next prime is 1122021001033. The reversal of 1122021001020 is 201001202211.

It is a super-2 number, since 2×1122021001020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1122021000987 and 1122021001005.

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, 9350174949 + ... + 9350175068.

It is an arithmetic number, because the mean of its divisors is an integer number (130902450126).

Almost surely, 2^{1122021001020} is an apocalyptic number.

1122021001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122021001020 is an abundant number, since it is smaller than the sum of its proper divisors (2019637802004).

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

1122021001020 is a wasteful number, since it uses less digits than its factorization.

1122021001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18700350029 (or 18700350027 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1122021001020 its reverse (201001202211), we get a palindrome (1323022203231).

The spelling of 1122021001020 in words is "one trillion, one hundred twenty-two billion, twenty-one million, one thousand, twenty".