101212021212211 has 64 divisors (see below), whose sum is σ = 125663363481600. Its totient is φ = 79379368381440.

The previous prime is 101212021212089. The next prime is 101212021212221. The reversal of 101212021212211 is 112212120212101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101212021212211 - 2¹¹ = 101212021210163 is a prime.

It is a super-2 number, since 2×101212021212211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101212021212221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10839881935 + ... + 10839891271.

It is an arithmetic number, because the mean of its divisors is an integer number (1963490054400).

Almost surely, 2^{101212021212211} is an apocalyptic number.

101212021212211 is a deficient number, since it is larger than the sum of its proper divisors (24451342269389).

101212021212211 is a wasteful number, since it uses less digits than its factorization.

101212021212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11684.

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

Adding to 101212021212211 its reverse (112212120212101), we get a palindrome (213424141424312).

The spelling of 101212021212211 in words is "one hundred one trillion, two hundred twelve billion, twenty-one million, two hundred twelve thousand, two hundred eleven".