101021101212 has 24 divisors (see below), whose sum is σ = 236473840512. Its totient is φ = 33565423600.

The previous prime is 101021101151. The next prime is 101021101229. The reversal of 101021101212 is 212101120101.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 13530714 + ... + 13538177.

It is an arithmetic number, because the mean of its divisors is an integer number (9853076688).

Almost surely, 2^101021101212 is an apocalyptic number.

101021101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101021101212 is an abundant number, since it is smaller than the sum of its proper divisors (135452739300).

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

101021101212 is a wasteful number, since it uses less digits than its factorization.

101021101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27069209 (or 27069207 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101021101212 its reverse (212101120101), we get a palindrome (313122221313).

The spelling of 101021101212 in words is "one hundred one billion, twenty-one million, one hundred one thousand, two hundred twelve".