100021121201112 has 32 divisors (see below), whose sum is σ = 256810986870000. Its totient is φ = 32439282551424.

The previous prime is 100021121201087. The next prime is 100021121201137. The reversal of 100021121201112 is 211102121120001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100021121201087) and next prime (100021121201137).

It is a junction number, because it is equal to n+sod(n) for n = 100021121201091 and 100021121201100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56318197987 + ... + 56318199762.

Almost surely, 2^{100021121201112} is an apocalyptic number.

100021121201112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100021121201112 is an abundant number, since it is smaller than the sum of its proper divisors (156789865668888).

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

100021121201112 is a wasteful number, since it uses less digits than its factorization.

100021121201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112636397795 (or 112636397791 counting only the distinct ones).

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

Adding to 100021121201112 its reverse (211102121120001), we get a palindrome (311123242321113).

The spelling of 100021121201112 in words is "one hundred trillion, twenty-one billion, one hundred twenty-one million, two hundred one thousand, one hundred twelve".