102101020221112 has 48 divisors (see below), whose sum is σ = 210449788153920. Its totient is φ = 46404118421760.

The previous prime is 102101020221023. The next prime is 102101020221113. The reversal of 102101020221112 is 211122020101201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101020221113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2096368 + ... + 14442880.

It is an arithmetic number, because the mean of its divisors is an integer number (4384370586540).

Almost surely, 2^{102101020221112} is an apocalyptic number.

It is an amenable number.

102101020221112 is an abundant number, since it is smaller than the sum of its proper divisors (108348767932808).

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

102101020221112 is a wasteful number, since it uses less digits than its factorization.

102101020221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12355084 (or 12355069 counting only the distinct ones).

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

Adding to 102101020221112 its reverse (211122020101201), we get a palindrome (313223040322313).

The spelling of 102101020221112 in words is "one hundred two trillion, one hundred one billion, twenty million, two hundred twenty-one thousand, one hundred twelve".