2121000202211 has 12 divisors (see below), whose sum is σ = 2331473086656. Its totient is φ = 1928077992720.

The previous prime is 2121000202207. The next prime is 2121000202213. The reversal of 2121000202211 is 1122020001212.

It is not a de Polignac number, because 2121000202211 - 2² = 2121000202207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121000202213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1825646 + ... + 2752268.

It is an arithmetic number, because the mean of its divisors is an integer number (194289423888).

Almost surely, 2^{2121000202211} is an apocalyptic number.

2121000202211 is a deficient number, since it is larger than the sum of its proper divisors (210472884445).

2121000202211 is a wasteful number, since it uses less digits than its factorization.

2121000202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945562 (or 945551 counting only the distinct ones).

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

Adding to 2121000202211 its reverse (1122020001212), we get a palindrome (3243020203423).

The spelling of 2121000202211 in words is "two trillion, one hundred twenty-one billion, two hundred two thousand, two hundred eleven".