101102111212 has 24 divisors (see below), whose sum is σ = 189754714800. Its totient is φ = 46986878016.

The previous prime is 101102111189. The next prime is 101102111233. The reversal of 101102111212 is 212111201101.

It is a happy number.

It is a super-2 number, since 2×101102111212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101102111192 and 101102111201.

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, 12545887 + ... + 12553942.

It is an arithmetic number, because the mean of its divisors is an integer number (7906446450).

Almost surely, 2^101102111212 is an apocalyptic number.

It is an amenable number.

101102111212 is a deficient number, since it is larger than the sum of its proper divisors (88652603588).

101102111212 is a wasteful number, since it uses less digits than its factorization.

101102111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25099905 (or 25099903 counting only the distinct ones).

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

Adding to 101102111212 its reverse (212111201101), we get a palindrome (313213312313).

The spelling of 101102111212 in words is "one hundred one billion, one hundred two million, one hundred eleven thousand, two hundred twelve".