2112201002021 has 8 divisors (see below), whose sum is σ = 2307870977088. Its totient is φ = 1917139644000.

The previous prime is 2112201001943. The next prime is 2112201002047. The reversal of 2112201002021 is 1202001022112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112201002021 - 2³⁸ = 1837323095077 is a prime.

It is a super-2 number, since 2×2112201002021² (a number of 25 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 = 2112201001987 and 2112201002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112201002921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152147000 + ... + 152160881.

It is an arithmetic number, because the mean of its divisors is an integer number (288483872136).

Almost surely, 2^{2112201002021} is an apocalyptic number.

It is an amenable number.

2112201002021 is a deficient number, since it is larger than the sum of its proper divisors (195669975067).

2112201002021 is a wasteful number, since it uses less digits than its factorization.

2112201002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304308523.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2112201002021 its reverse (1202001022112), we get a palindrome (3314202024133).

The spelling of 2112201002021 in words is "two trillion, one hundred twelve billion, two hundred one million, two thousand, twenty-one".