101020022112 has 48 divisors (see below), whose sum is σ = 266209442352. Its totient is φ = 33542307840.

The previous prime is 101020022099. The next prime is 101020022113. The reversal of 101020022112 is 211220020101.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020022113) 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, 2022589 + ... + 2071932.

It is an arithmetic number, because the mean of its divisors is an integer number (5546030049).

Almost surely, 2^101020022112 is an apocalyptic number.

101020022112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101020022112 is an abundant number, since it is smaller than the sum of its proper divisors (165189420240).

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

101020022112 is a wasteful number, since it uses less digits than its factorization.

101020022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094791 (or 4094783 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101020022112 its reverse (211220020101), we get a palindrome (312240042213).

The spelling of 101020022112 in words is "one hundred one billion, twenty million, twenty-two thousand, one hundred twelve".