2111021141020 has 24 divisors (see below), whose sum is σ = 4836157523568. Its totient is φ = 767644051200.

The previous prime is 2111021141003. The next prime is 2111021141071. The reversal of 2111021141020 is 201411201112.

It is a junction number, because it is equal to n+sod(n) for n = 2111021140985 and 2111021141003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4797775101 + ... + 4797775540.

It is an arithmetic number, because the mean of its divisors is an integer number (201506563482).

Almost surely, 2^{2111021141020} is an apocalyptic number.

2111021141020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111021141020 is an abundant number, since it is smaller than the sum of its proper divisors (2725136382548).

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

2111021141020 is a wasteful number, since it uses less digits than its factorization.

2111021141020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9595550661 (or 9595550659 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2111021141020 its reverse (201411201112), we get a palindrome (2312432342132).

The spelling of 2111021141020 in words is "two trillion, one hundred eleven billion, twenty-one million, one hundred forty-one thousand, twenty".