101155442412 has 24 divisors (see below), whose sum is σ = 242408538736. Its totient is φ = 32807170368.

The previous prime is 101155442389. The next prime is 101155442413. The reversal of 101155442412 is 214244551101.

It is a self number, because there is not a number n which added to its sum of digits gives 101155442412.

It is not an unprimeable number, because it can be changed into a prime (101155442413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113913343 + ... + 113914230.

Almost surely, 2^101155442412 is an apocalyptic number.

101155442412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101155442412 is an abundant number, since it is smaller than the sum of its proper divisors (141253096324).

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

101155442412 is a wasteful number, since it uses less digits than its factorization.

101155442412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227827617 (or 227827615 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 101155442412 its reverse (214244551101), we get a palindrome (315399993513).

The spelling of 101155442412 in words is "one hundred one billion, one hundred fifty-five million, four hundred forty-two thousand, four hundred twelve".