101211122212 has 12 divisors (see below), whose sum is σ = 177688982016. Its totient is φ = 50442841640.

The previous prime is 101211122209. The next prime is 101211122227. The reversal of 101211122212 is 212221112101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40678468 + ... + 40680955.

It is an arithmetic number, because the mean of its divisors is an integer number (14807415168).

Almost surely, 2^101211122212 is an apocalyptic number.

It is an amenable number.

101211122212 is a deficient number, since it is larger than the sum of its proper divisors (76477859804).

101211122212 is a wasteful number, since it uses less digits than its factorization.

101211122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81359738 (or 81359736 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101211122212 its reverse (212221112101), we get a palindrome (313432234313).

The spelling of 101211122212 in words is "one hundred one billion, two hundred eleven million, one hundred twenty-two thousand, two hundred twelve".