101012212212211 has 4 divisors (see below), whose sum is σ = 101012264060472. Its totient is φ = 101012160363952.

The previous prime is 101012212212199. The next prime is 101012212212251. The reversal of 101012212212211 is 112212212210101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101012212212211 - 2¹⁹ = 101012211687923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101012212212251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22882861 + ... + 26937886.

It is an arithmetic number, because the mean of its divisors is an integer number (25253066015118).

Almost surely, 2^{101012212212211} is an apocalyptic number.

101012212212211 is a deficient number, since it is larger than the sum of its proper divisors (51848261).

101012212212211 is an equidigital number, since it uses as much as digits as its factorization.

101012212212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51848260.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 101012212212211 its reverse (112212212210101), we get a palindrome (213224424422312).

The spelling of 101012212212211 in words is "one hundred one trillion, twelve billion, two hundred twelve million, two hundred twelve thousand, two hundred eleven".