2100121002211 has 8 divisors (see below), whose sum is σ = 2203405643648. Its totient is φ = 1999057536000.

The previous prime is 2100121002169. The next prime is 2100121002227. The reversal of 2100121002211 is 1122001210012.

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 2100121002211 - 2¹¹ = 2100121000163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2100121002191 and 2100121002200.

It is not an unprimeable number, because it can be changed into a prime (2100121002241) 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, 555291870 + ... + 555295651.

It is an arithmetic number, because the mean of its divisors is an integer number (275425705456).

Almost surely, 2^{2100121002211} is an apocalyptic number.

2100121002211 is a deficient number, since it is larger than the sum of its proper divisors (103284641437).

2100121002211 is a wasteful number, since it uses less digits than its factorization.

2100121002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110587613.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2100121002211 its reverse (1122001210012), we get a palindrome (3222122212223).

The spelling of 2100121002211 in words is "two trillion, one hundred billion, one hundred twenty-one million, two thousand, two hundred eleven".