2010111221020 has 36 divisors (see below), whose sum is σ = 4910414556600. Its totient is φ = 689180989728.

The previous prime is 2010111221017. The next prime is 2010111221033. The reversal of 2010111221020 is 201221110102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1025565970 + ... + 1025567929.

It is an arithmetic number, because the mean of its divisors is an integer number (136400404350).

Almost surely, 2^{2010111221020} is an apocalyptic number.

2010111221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010111221020 is an abundant number, since it is smaller than the sum of its proper divisors (2900303335580).

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

2010111221020 is a wasteful number, since it uses less digits than its factorization.

2010111221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051133922 (or 2051133913 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2010111221020 its reverse (201221110102), we get a palindrome (2211332331122).

The spelling of 2010111221020 in words is "two trillion, ten billion, one hundred eleven million, two hundred twenty-one thousand, twenty".