220202211021 has 32 divisors (see below), whose sum is σ = 320534323200. Its totient is φ = 133651737024.

The previous prime is 220202210951. The next prime is 220202211067. The reversal of 220202211021 is 120112202022.

It is not a de Polignac number, because 220202211021 - 2¹⁸ = 220201948877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220202215021) 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, 1882180 + ... + 1995746.

It is an arithmetic number, because the mean of its divisors is an integer number (10016697600).

Almost surely, 2^220202211021 is an apocalyptic number.

It is an amenable number.

220202211021 is a deficient number, since it is larger than the sum of its proper divisors (100332112179).

220202211021 is a wasteful number, since it uses less digits than its factorization.

220202211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114265.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220202211021 its reverse (120112202022), we get a palindrome (340314413043).

The spelling of 220202211021 in words is "two hundred twenty billion, two hundred two million, two hundred eleven thousand, twenty-one".