210021101101112 has 32 divisors (see below), whose sum is σ = 450045761581920. Its totient is φ = 90008934341760.

The previous prime is 210021101101037. The next prime is 210021101101127. The reversal of 210021101101112 is 211101101120012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59043062 + ... + 62499002.

It is an arithmetic number, because the mean of its divisors is an integer number (14063930049435).

Almost surely, 2^{210021101101112} is an apocalyptic number.

It is an amenable number.

210021101101112 is an abundant number, since it is smaller than the sum of its proper divisors (240024660480808).

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

210021101101112 is a wasteful number, since it uses less digits than its factorization.

210021101101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541151 (or 4541147 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 210021101101112 its reverse (211101101120012), we get a palindrome (421122202221124).

The spelling of 210021101101112 in words is "two hundred ten trillion, twenty-one billion, one hundred one million, one hundred one thousand, one hundred twelve".