101011212122211 has 48 divisors (see below), whose sum is σ = 147882769867872. Its totient is φ = 66433034304000.

The previous prime is 101011212122209. The next prime is 101011212122251. The reversal of 101011212122211 is 112221212110101.

It is a happy number.

101011212122211 is a `hidden beast` number, since 10 + 101 + 121 + 212 + 221 + 1 = 666.

It is not a de Polignac number, because 101011212122211 - 2¹ = 101011212122209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101011212122251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 685896861 + ... + 686044113.

It is an arithmetic number, because the mean of its divisors is an integer number (3080891038914).

Almost surely, 2^{101011212122211} is an apocalyptic number.

101011212122211 is a deficient number, since it is larger than the sum of its proper divisors (46871557745661).

101011212122211 is a wasteful number, since it uses less digits than its factorization.

101011212122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150084 (or 150081 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 101011212122211 its reverse (112221212110101), we get a palindrome (213232424232312).

The spelling of 101011212122211 in words is "one hundred one trillion, eleven billion, two hundred twelve million, one hundred twenty-two thousand, two hundred eleven".