101102421112 has 128 divisors (see below), whose sum is σ = 240536125440. Its totient is φ = 38697886080.

The previous prime is 101102421061. The next prime is 101102421127. The reversal of 101102421112 is 211124201101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8051623 + ... + 8064169.

It is an arithmetic number, because the mean of its divisors is an integer number (1879188480).

Almost surely, 2^101102421112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101102421112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120268062720).

101102421112 is an abundant number, since it is smaller than the sum of its proper divisors (139433704328).

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

101102421112 is a wasteful number, since it uses less digits than its factorization.

101102421112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12801 (or 12797 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101102421112 its reverse (211124201101), we get a palindrome (312226622213).

The spelling of 101102421112 in words is "one hundred one billion, one hundred two million, four hundred twenty-one thousand, one hundred twelve".