2111220011020 has 12 divisors (see below), whose sum is σ = 4433562023184. Its totient is φ = 844488004400.

The previous prime is 2111220010943. The next prime is 2111220011051. The reversal of 2111220011020 is 201100221112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52780500256 + ... + 52780500295.

It is an arithmetic number, because the mean of its divisors is an integer number (369463501932).

Almost surely, 2^{2111220011020} is an apocalyptic number.

2111220011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111220011020 is an abundant number, since it is smaller than the sum of its proper divisors (2322342012164).

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

2111220011020 is a wasteful number, since it uses less digits than its factorization.

2111220011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105561000560 (or 105561000558 counting only the distinct ones).

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

Adding to 2111220011020 its reverse (201100221112), we get a palindrome (2312320232132).

The spelling of 2111220011020 in words is "two trillion, one hundred eleven billion, two hundred twenty million, eleven thousand, twenty".