100220211222211 has 4 divisors (see below), whose sum is σ = 106115517764712. Its totient is φ = 94324904679712.

The previous prime is 100220211222199. The next prime is 100220211222223. The reversal of 100220211222211 is 112222112022001.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (100220211222199) and next prime (100220211222223).

It is a cyclic number.

It is not a de Polignac number, because 100220211222211 - 2¹¹ = 100220211220163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100220211223211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2947653271225 + ... + 2947653271258.

It is an arithmetic number, because the mean of its divisors is an integer number (26528879441178).

Almost surely, 2^{100220211222211} is an apocalyptic number.

100220211222211 is a deficient number, since it is larger than the sum of its proper divisors (5895306542501).

100220211222211 is an equidigital number, since it uses as much as digits as its factorization.

100220211222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895306542500.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 100220211222211 its reverse (112222112022001), we get a palindrome (212442323244212).

The spelling of 100220211222211 in words is "one hundred trillion, two hundred twenty billion, two hundred eleven million, two hundred twenty-two thousand, two hundred eleven".