20212111010120 has 32 divisors (see below), whose sum is σ = 46586450990520. Its totient is φ = 7887653076480.

The previous prime is 20212111010107. The next prime is 20212111010159. The reversal of 20212111010120 is 2101011121202.

It can be written as a sum of positive squares in 4 ways, for example, as 8451916499524 + 11760194510596 = 2907218^2 + 3429314^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20212111010095 and 20212111010104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6162227327 + ... + 6162230606.

Almost surely, 2^{20212111010120} is an apocalyptic number.

20212111010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212111010120 is an abundant number, since it is smaller than the sum of its proper divisors (26374339980400).

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

20212111010120 is a wasteful number, since it uses less digits than its factorization.

20212111010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12324457985 (or 12324457981 counting only the distinct ones).

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

Adding to 20212111010120 its reverse (2101011121202), we get a palindrome (22313122131322).

The spelling of 20212111010120 in words is "twenty trillion, two hundred twelve billion, one hundred eleven million, ten thousand, one hundred twenty".