101212211211 has 8 divisors (see below), whose sum is σ = 142887827664. Its totient is φ = 63505701120.

The previous prime is 101212211153. The next prime is 101212211281. The reversal of 101212211211 is 112112212101.

It is a happy number.

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

It is not a de Polignac number, because 101212211211 - 2⁷ = 101212211083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101212211281) 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, 992276530 + ... + 992276631.

It is an arithmetic number, because the mean of its divisors is an integer number (17860978458).

Almost surely, 2^101212211211 is an apocalyptic number.

101212211211 is a deficient number, since it is larger than the sum of its proper divisors (41675616453).

101212211211 is a wasteful number, since it uses less digits than its factorization.

101212211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984553181.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101212211211 its reverse (112112212101), we get a palindrome (213324423312).

The spelling of 101212211211 in words is "one hundred one billion, two hundred twelve million, two hundred eleven thousand, two hundred eleven".