100220211222201 has 24 divisors (see below), whose sum is σ = 165444227020800. Its totient is φ = 57268228746816.

The previous prime is 100220211222199. The next prime is 100220211222223. The reversal of 100220211222201 is 102222112022001.

It is a happy number.

100220211222201 is a `hidden beast` number, since 1 + 0 + 0 + 220 + 21 + 1 + 222 + 201 = 666.

It is not a de Polignac number, because 100220211222201 - 2¹ = 100220211222199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100220211223201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1488901 + ... + 14235773.

It is an arithmetic number, because the mean of its divisors is an integer number (6893509459200).

Almost surely, 2^{100220211222201} is an apocalyptic number.

It is an amenable number.

100220211222201 is a deficient number, since it is larger than the sum of its proper divisors (65224015798599).

100220211222201 is a wasteful number, since it uses less digits than its factorization.

100220211222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12871685 (or 12871682 counting only the distinct ones).

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

Adding to 100220211222201 its reverse (102222112022001), we get a palindrome (202442323244202).

The spelling of 100220211222201 in words is "one hundred trillion, two hundred twenty billion, two hundred eleven million, two hundred twenty-two thousand, two hundred one".