220212100011021 has 16 divisors (see below), whose sum is σ = 294409739507136. Its totient is φ = 146411280792576.

The previous prime is 220212100010971. The next prime is 220212100011037. The reversal of 220212100011021 is 120110001212022.

It is not a de Polignac number, because 220212100011021 - 2¹⁷ = 220212099879949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212107011021) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 49653046 + ... + 53905928.

It is an arithmetic number, because the mean of its divisors is an integer number (18400608719196).

Almost surely, 2^{220212100011021} is an apocalyptic number.

It is an amenable number.

220212100011021 is a deficient number, since it is larger than the sum of its proper divisors (74197639496115).

220212100011021 is a wasteful number, since it uses less digits than its factorization.

220212100011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4299532.

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

Adding to 220212100011021 its reverse (120110001212022), we get a palindrome (340322101223043).

The spelling of 220212100011021 in words is "two hundred twenty trillion, two hundred twelve billion, one hundred million, eleven thousand, twenty-one".