220021101211002 has 256 divisors, whose sum is σ = 574445566033920. Its totient is φ = 54637073897472.

The previous prime is 220021101210991. The next prime is 220021101211013. The reversal of 220021101211002 is 200112101120022.

It is an interprime number because it is at equal distance from previous prime (220021101210991) and next prime (220021101211013).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 83203143 + ... + 85806789.

It is an arithmetic number, because the mean of its divisors is an integer number (2243927992320).

Almost surely, 2^{220021101211002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220021101211002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287222783016960).

220021101211002 is an abundant number, since it is smaller than the sum of its proper divisors (354424464822918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220021101211002 is a wasteful number, since it uses less digits than its factorization.

220021101211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603845.

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

Adding to 220021101211002 its reverse (200112101120022), we get a palindrome (420133202331024).

The spelling of 220021101211002 in words is "two hundred twenty trillion, twenty-one billion, one hundred one million, two hundred eleven thousand, two".