1011101212 has 24 divisors (see below), whose sum is σ = 1931095152. Its totient is φ = 459398400.

The previous prime is 1011101209. The next prime is 1011101213. The reversal of 1011101212 is 2121011101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011101213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184788 + ... + 190180.

It is an arithmetic number, because the mean of its divisors is an integer number (80462298).

Almost surely, 2^1011101212 is an apocalyptic number.

It is an amenable number.

1011101212 is a deficient number, since it is larger than the sum of its proper divisors (919993940).

1011101212 is a wasteful number, since it uses less digits than its factorization.

1011101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9669 (or 9667 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1011101212 is about 31797.8177238627. The cubic root of 1011101212 is about 1003.6867948396.

Adding to 1011101212 its reverse (2121011101), we get a palindrome (3132112313).

It can be divided in two parts, 1011101 and 212, that multiplied together give a palindrome (214353412).

The spelling of 1011101212 in words is "one billion, eleven million, one hundred one thousand, two hundred twelve".