101211122112212 has 24 divisors (see below), whose sum is σ = 202423533075456. Its totient is φ = 43375919008608.

The previous prime is 101211122112203. The next prime is 101211122112227. The reversal of 101211122112212 is 212211221112101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7000523 + ... + 15856530.

It is an arithmetic number, because the mean of its divisors is an integer number (8434313878144).

Almost surely, 2^{101211122112212} is an apocalyptic number.

It is an amenable number.

101211122112212 is an abundant number, since it is smaller than the sum of its proper divisors (101212410963244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101211122112212 is a wasteful number, since it uses less digits than its factorization.

101211122112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23015207 (or 23015205 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 101211122112212 its reverse (212211221112101), we get a palindrome (313422343224313).

The spelling of 101211122112212 in words is "one hundred one trillion, two hundred eleven billion, one hundred twenty-two million, one hundred twelve thousand, two hundred twelve".