10021211112 has 64 divisors (see below), whose sum is σ = 27601248960. Its totient is φ = 3006656000.

The previous prime is 10021211111. The next prime is 10021211131. The reversal of 10021211112 is 21111212001.

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

It is not an unprimeable number, because it can be changed into a prime (10021211111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161253 + ... + 214580.

It is an arithmetic number, because the mean of its divisors is an integer number (431269515).

Almost surely, 2^10021211112 is an apocalyptic number.

10021211112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10021211112 is an abundant number, since it is smaller than the sum of its proper divisors (17580037848).

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

10021211112 is a wasteful number, since it uses less digits than its factorization.

10021211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375954 (or 375950 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10021211112 its reverse (21111212001), we get a palindrome (31132423113).

It can be divided in two parts, 100 and 21211112, that added together give a palindrome (21211212).

The spelling of 10021211112 in words is "ten billion, twenty-one million, two hundred eleven thousand, one hundred twelve".