101011121212 has 24 divisors (see below), whose sum is σ = 178086888000. Its totient is φ = 50129653056.

The previous prime is 101011121209. The next prime is 101011121227. The reversal of 101011121212 is 212121110101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101011121192 and 101011121201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756589 + ... + 880027.

It is an arithmetic number, because the mean of its divisors is an integer number (7420287000).

Almost surely, 2^101011121212 is an apocalyptic number.

It is an amenable number.

101011121212 is a deficient number, since it is larger than the sum of its proper divisors (77075766788).

101011121212 is a wasteful number, since it uses less digits than its factorization.

101011121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124965 (or 124963 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101011121212 its reverse (212121110101), we get a palindrome (313132231313).

The spelling of 101011121212 in words is "one hundred one billion, eleven million, one hundred twenty-one thousand, two hundred twelve".