101211222212 has 24 divisors (see below), whose sum is σ = 179741221632. Its totient is φ = 49857595200.

The previous prime is 101211222197. The next prime is 101211222223. The reversal of 101211222212 is 212222112101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278912 + ... + 529352.

It is an arithmetic number, because the mean of its divisors is an integer number (7489217568).

Almost surely, 2^101211222212 is an apocalyptic number.

It is an amenable number.

101211222212 is a deficient number, since it is larger than the sum of its proper divisors (78529999420).

101211222212 is a wasteful number, since it uses less digits than its factorization.

101211222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251939 (or 251937 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101211222212 its reverse (212222112101), we get a palindrome (313433334313).

The spelling of 101211222212 in words is "one hundred one billion, two hundred eleven million, two hundred twenty-two thousand, two hundred twelve".