20100222120211 has 8 divisors (see below), whose sum is σ = 20136022586960. Its totient is φ = 20064424992768.

The previous prime is 20100222120149. The next prime is 20100222120221. The reversal of 20100222120211 is 11202122200102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20100222120211 - 2²⁷ = 20100087902483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20100222120221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11373235 + ... + 13021171.

It is an arithmetic number, because the mean of its divisors is an integer number (2517002823370).

Almost surely, 2^{20100222120211} is an apocalyptic number.

20100222120211 is a deficient number, since it is larger than the sum of its proper divisors (35800466749).

20100222120211 is a wasteful number, since it uses less digits than its factorization.

20100222120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669653.

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

Adding to 20100222120211 its reverse (11202122200102), we get a palindrome (31302344320313).

The spelling of 20100222120211 in words is "twenty trillion, one hundred billion, two hundred twenty-two million, one hundred twenty thousand, two hundred eleven".