10021202121112 has 128 divisors (see below), whose sum is σ = 24322261340160. Its totient is φ = 3764158594560.

The previous prime is 10021202121109. The next prime is 10021202121193. The reversal of 10021202121112 is 21112120212001.

It is a super-2 number, since 2×10021202121112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2992998 + ... + 5385205.

It is an arithmetic number, because the mean of its divisors is an integer number (190017666720).

Almost surely, 2^{10021202121112} is an apocalyptic number.

It is an amenable number.

10021202121112 is an abundant number, since it is smaller than the sum of its proper divisors (14301059219048).

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

10021202121112 is a wasteful number, since it uses less digits than its factorization.

10021202121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378313 (or 8378309 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10021202121112 its reverse (21112120212001), we get a palindrome (31133322333113).

The spelling of 10021202121112 in words is "ten trillion, twenty-one billion, two hundred two million, one hundred twenty-one thousand, one hundred twelve".