220012022211021 has 32 divisors (see below), whose sum is σ = 326574572083200. Its totient is φ = 146390814535680.

The previous prime is 220012022210963. The next prime is 220012022211071. The reversal of 220012022211021 is 120112220210022.

It is a happy number.

220012022211021 is a `hidden beast` number, since 220 + 0 + 1 + 202 + 221 + 1 + 0 + 21 = 666.

It is not a de Polignac number, because 220012022211021 - 2²¹ = 220012020113869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220012022210985 and 220012022211003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012022211071) 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, 1723101460 + ... + 1723229138.

It is an arithmetic number, because the mean of its divisors is an integer number (10205455377600).

Almost surely, 2^{220012022211021} is an apocalyptic number.

It is an amenable number.

220012022211021 is a deficient number, since it is larger than the sum of its proper divisors (106562549872179).

220012022211021 is a wasteful number, since it uses less digits than its factorization.

220012022211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250706 (or 250700 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220012022211021 its reverse (120112220210022), we get a palindrome (340124242421043).

The spelling of 220012022211021 in words is "two hundred twenty trillion, twelve billion, twenty-two million, two hundred eleven thousand, twenty-one".