2020111221000 has 64 divisors (see below), whose sum is σ = 6302747018880. Its totient is φ = 538696324800.

The previous prime is 2020111220969. The next prime is 2020111221001. The reversal of 2020111221000 is 1221110202.

It is a super-2 number, since 2×2020111221000² (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 not an unprimeable number, because it can be changed into a prime (2020111221001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336682204 + ... + 336688203.

It is an arithmetic number, because the mean of its divisors is an integer number (98480422170).

Almost surely, 2^{2020111221000} is an apocalyptic number.

2020111221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020111221000 is an abundant number, since it is smaller than the sum of its proper divisors (4282635797880).

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

2020111221000 is a wasteful number, since it uses less digits than its factorization.

2020111221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673370431 (or 673370417 counting only the distinct ones).

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

Adding to 2020111221000 its reverse (1221110202), we get a palindrome (2021332331202).

The spelling of 2020111221000 in words is "two trillion, twenty billion, one hundred eleven million, two hundred twenty-one thousand".