112121111002021 has 16 divisors (see below), whose sum is σ = 124215052219200. Its totient is φ = 100355297824000.

The previous prime is 112121111002007. The next prime is 112121111002127. The reversal of 112121111002021 is 120200111121211.

It is a cyclic number.

It is not a de Polignac number, because 112121111002021 - 2⁵ = 112121111001989 is a prime.

It is a super-2 number, since 2×112121111002021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112121111001986 and 112121111002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121111072021) 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, 281698036 + ... + 282095773.

It is an arithmetic number, because the mean of its divisors is an integer number (7763440763700).

Almost surely, 2^{112121111002021} is an apocalyptic number.

112121111002021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112121111002021 is a deficient number, since it is larger than the sum of its proper divisors (12093941217179).

112121111002021 is a wasteful number, since it uses less digits than its factorization.

112121111002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563794100.

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

Adding to 112121111002021 its reverse (120200111121211), we get a palindrome (232321222123232).

The spelling of 112121111002021 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred eleven million, two thousand, twenty-one".