112121010002021 has 16 divisors (see below), whose sum is σ = 118155730883328. Its totient is φ = 106182974304000.

The previous prime is 112121010002009. The next prime is 112121010002033. The reversal of 112121010002021 is 120200010121211.

It is an interprime number because it is at equal distance from previous prime (112121010002009) and next prime (112121010002033).

It is a cyclic number.

It is not a de Polignac number, because 112121010002021 - 2¹⁴ = 112121009985637 is a prime.

It is a super-2 number, since 2×112121010002021² (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 = 112121010001987 and 112121010002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121010002821) 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, 211409240 + ... + 211938926.

It is an arithmetic number, because the mean of its divisors is an integer number (7384733180208).

Almost surely, 2^{112121010002021} is an apocalyptic number.

It is an amenable number.

112121010002021 is a deficient number, since it is larger than the sum of its proper divisors (6034720881307).

112121010002021 is a wasteful number, since it uses less digits than its factorization.

112121010002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620932.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112121010002021 its reverse (120200010121211), we get a palindrome (232321020123232).

The spelling of 112121010002021 in words is "one hundred twelve trillion, one hundred twenty-one billion, ten million, two thousand, twenty-one".