10212110021112 has 16 divisors (see below), whose sum is σ = 25530275052840. Its totient is φ = 3404036673696.

The previous prime is 10212110021021. The next prime is 10212110021119. The reversal of 10212110021112 is 21112001121201.

It is a happy number.

It is a super-2 number, since 2×10212110021112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10212110021091 and 10212110021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212110021119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212752292083 + ... + 212752292130.

Almost surely, 2^{10212110021112} is an apocalyptic number.

10212110021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10212110021112 is an abundant number, since it is smaller than the sum of its proper divisors (15318165031728).

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

10212110021112 is a wasteful number, since it uses less digits than its factorization.

10212110021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425504584222 (or 425504584218 counting only the distinct ones).

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

Adding to 10212110021112 its reverse (21112001121201), we get a palindrome (31324111142313).

The spelling of 10212110021112 in words is "ten trillion, two hundred twelve billion, one hundred ten million, twenty-one thousand, one hundred twelve".