200221100220100 has 18 divisors (see below), whose sum is σ = 434479787477834. Its totient is φ = 80088440088000.

The previous prime is 200221100220091. The next prime is 200221100220109. The reversal of 200221100220100 is 1022001122002.

It is a happy number.

200221100220100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (200221100220091) and next prime (200221100220109).

It can be written as a sum of positive squares in 3 ways, for example, as 34248432110656 + 165972668109444 = 5852216^2 + 12883038^2 .

It is not an unprimeable number, because it can be changed into a prime (200221100220109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1001105501001 + ... + 1001105501200.

Almost surely, 2^{200221100220100} is an apocalyptic number.

200221100220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200221100220100 is an abundant number, since it is smaller than the sum of its proper divisors (234258687257734).

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

200221100220100 is a wasteful number, since it uses less digits than its factorization.

200221100220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002211002215 (or 2002211002208 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200221100220100 its reverse (1022001122002), we get a palindrome (201243101342102).

The spelling of 200221100220100 in words is "two hundred trillion, two hundred twenty-one billion, one hundred million, two hundred twenty thousand, one hundred".