220211002110021 has 32 divisors (see below), whose sum is σ = 335357510479488. Its totient is φ = 127330805606400.

The previous prime is 220211002109981. The next prime is 220211002110031. The reversal of 220211002110021 is 120011200112022.

It is not a de Polignac number, because 220211002110021 - 2¹⁷ = 220211001978949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220211002110031) 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 31 ways as a sum of consecutive naturals, for example, 275927071 + ... + 276723996.

It is an arithmetic number, because the mean of its divisors is an integer number (10479922202484).

Almost surely, 2^{220211002110021} is an apocalyptic number.

It is an amenable number.

220211002110021 is a deficient number, since it is larger than the sum of its proper divisors (115146508369467).

220211002110021 is a wasteful number, since it uses less digits than its factorization.

220211002110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552651701.

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

Adding to 220211002110021 its reverse (120011200112022), we get a palindrome (340222202222043).

The spelling of 220211002110021 in words is "two hundred twenty trillion, two hundred eleven billion, two million, one hundred ten thousand, twenty-one".