2211012111020 has 48 divisors (see below), whose sum is σ = 4732116681600. Its totient is φ = 867614803200.

The previous prime is 2211012110959. The next prime is 2211012111043. The reversal of 2211012111020 is 201112101122.

It is a junction number, because it is equal to n+sod(n) for n = 2211012110986 and 2211012111004.

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 15 ways as a sum of consecutive naturals, for example, 4800740 + ... + 5241099.

It is an arithmetic number, because the mean of its divisors is an integer number (98585764200).

Almost surely, 2^{2211012111020} is an apocalyptic number.

2211012111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211012111020 is an abundant number, since it is smaller than the sum of its proper divisors (2521104570580).

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

2211012111020 is a wasteful number, since it uses less digits than its factorization.

2211012111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10042058 (or 10042056 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2211012111020 its reverse (201112101122), we get a palindrome (2412124212142).

The spelling of 2211012111020 in words is "two trillion, two hundred eleven billion, twelve million, one hundred eleven thousand, twenty".