100220021212201 has 16 divisors (see below), whose sum is σ = 112885084274688. Its totient is φ = 88148741187600.

The previous prime is 100220021212177. The next prime is 100220021212243. The reversal of 100220021212201 is 102212120022001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100220021212201 - 2⁵ = 100220021212169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100220021216201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34199715 + ... + 37014328.

It is an arithmetic number, because the mean of its divisors is an integer number (7055317767168).

Almost surely, 2^{100220021212201} is an apocalyptic number.

100220021212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100220021212201 is a deficient number, since it is larger than the sum of its proper divisors (12665063062487).

100220021212201 is a wasteful number, since it uses less digits than its factorization.

100220021212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71218212.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100220021212201 its reverse (102212120022001), we get a palindrome (202432141234202).

The spelling of 100220021212201 in words is "one hundred trillion, two hundred twenty billion, twenty-one million, two hundred twelve thousand, two hundred one".