2000220001221 has 96 divisors (see below), whose sum is σ = 3021652080000. Its totient is φ = 1175216200704.

The previous prime is 2000220001211. The next prime is 2000220001237. The reversal of 2000220001221 is 1221000220002.

It is not a de Polignac number, because 2000220001221 - 2¹⁰ = 2000220000197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2000220001197 and 2000220001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000220001211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 784706455 + ... + 784709003.

It is an arithmetic number, because the mean of its divisors is an integer number (31475542500).

Almost surely, 2^{2000220001221} is an apocalyptic number.

It is an amenable number.

2000220001221 is a deficient number, since it is larger than the sum of its proper divisors (1021432078779).

2000220001221 is a wasteful number, since it uses less digits than its factorization.

2000220001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383 (or 3370 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2000220001221 its reverse (1221000220002), we get a palindrome (3221220221223).

The spelling of 2000220001221 in words is "two trillion, two hundred twenty million, one thousand, two hundred twenty-one".