101201111212 has 12 divisors (see below), whose sum is σ = 177706390176. Its totient is φ = 50427856880.

The previous prime is 101201111147. The next prime is 101201111213. The reversal of 101201111212 is 212111102101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101201111192 and 101201111201.

It is not an unprimeable number, because it can be changed into a prime (101201111213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43173364 + ... + 43175707.

It is an arithmetic number, because the mean of its divisors is an integer number (14808865848).

Almost surely, 2^101201111212 is an apocalyptic number.

It is an amenable number.

101201111212 is a deficient number, since it is larger than the sum of its proper divisors (76505278964).

101201111212 is a wasteful number, since it uses less digits than its factorization.

101201111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86349368 (or 86349366 counting only the distinct ones).

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

Adding to 101201111212 its reverse (212111102101), we get a palindrome (313312213313).

The spelling of 101201111212 in words is "one hundred one billion, two hundred one million, one hundred eleven thousand, two hundred twelve".