2100012022021 has 8 divisors (see below), whose sum is σ = 2169292896000. Its totient is φ = 2030827307520.

The previous prime is 2100012022019. The next prime is 2100012022027. The reversal of 2100012022021 is 1202202100012.

It is a happy number.

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 2100012022021 - 2¹ = 2100012022019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100012021992 and 2100012022010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100012022027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23995471 + ... + 24082828.

It is an arithmetic number, because the mean of its divisors is an integer number (271161612000).

Almost surely, 2^{2100012022021} is an apocalyptic number.

It is an amenable number.

2100012022021 is a deficient number, since it is larger than the sum of its proper divisors (69280873979).

2100012022021 is a wasteful number, since it uses less digits than its factorization.

2100012022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48079739.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2100012022021 its reverse (1202202100012), we get a palindrome (3302214122033).

The spelling of 2100012022021 in words is "two trillion, one hundred billion, twelve million, twenty-two thousand, twenty-one".