2112020010221 has 32 divisors (see below), whose sum is σ = 2352935544960. Its totient is φ = 1879812230400.

The previous prime is 2112020010203. The next prime is 2112020010239. The reversal of 2112020010221 is 1220100202112.

It is an interprime number because it is at equal distance from previous prime (2112020010203) and next prime (2112020010239).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112020010221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2112020010196 and 2112020010205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112020000221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34040990 + ... + 34102976.

It is an arithmetic number, because the mean of its divisors is an integer number (73529235780).

Almost surely, 2^{2112020010221} is an apocalyptic number.

It is an amenable number.

2112020010221 is a deficient number, since it is larger than the sum of its proper divisors (240915534739).

2112020010221 is a wasteful number, since it uses less digits than its factorization.

2112020010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62445.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2112020010221 its reverse (1220100202112), we get a palindrome (3332120212333).

The spelling of 2112020010221 in words is "two trillion, one hundred twelve billion, twenty million, ten thousand, two hundred twenty-one".