220112211000021 has 16 divisors (see below), whose sum is σ = 296176475622720. Its totient is φ = 145394719493760.

The previous prime is 220112210999957. The next prime is 220112211000041. The reversal of 220112211000021 is 120000112211022.

220112211000021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220112211000021 - 2⁶ = 220112210999957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112211000041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109755601 + ... + 111743081.

It is an arithmetic number, because the mean of its divisors is an integer number (18511029726420).

Almost surely, 2^{220112211000021} is an apocalyptic number.

It is an amenable number.

220112211000021 is a deficient number, since it is larger than the sum of its proper divisors (76064264622699).

220112211000021 is a wasteful number, since it uses less digits than its factorization.

220112211000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326276.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220112211000021 its reverse (120000112211022), we get a palindrome (340112323211043).

The spelling of 220112211000021 in words is "two hundred twenty trillion, one hundred twelve billion, two hundred eleven million, twenty-one", and thus it is an aban number.