210021211001112 has 192 divisors, whose sum is σ = 627301727676000. Its totient is φ = 58382571792384.

The previous prime is 210021211001101. The next prime is 210021211001137. The reversal of 210021211001112 is 211100112120012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210021211001091 and 210021211001100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2568428964 + ... + 2568510732.

Almost surely, 2^{210021211001112} 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 210021211001112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313650863838000).

210021211001112 is an abundant number, since it is smaller than the sum of its proper divisors (417280516674888).

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

210021211001112 is a wasteful number, since it uses less digits than its factorization.

210021211001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140858 (or 140847 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210021211001112 its reverse (211100112120012), we get a palindrome (421121323121124).

The spelling of 210021211001112 in words is "two hundred ten trillion, twenty-one billion, two hundred eleven million, one thousand, one hundred twelve".