2006211502221 has 32 divisors (see below), whose sum is σ = 2742054830592. Its totient is φ = 1304034500160.

The previous prime is 2006211502193. The next prime is 2006211502223. The reversal of 2006211502221 is 1222051126002.

It is not a de Polignac number, because 2006211502221 - 2¹⁰ = 2006211501197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2006211502191 and 2006211502200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006211502223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239887186 + ... + 239895548.

It is an arithmetic number, because the mean of its divisors is an integer number (85689213456).

Almost surely, 2^{2006211502221} is an apocalyptic number.

It is an amenable number.

2006211502221 is a deficient number, since it is larger than the sum of its proper divisors (735843328371).

2006211502221 is a wasteful number, since it uses less digits than its factorization.

2006211502221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11513.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 2006211502221 its reverse (1222051126002), we get a palindrome (3228262628223).

The spelling of 2006211502221 in words is "two trillion, six billion, two hundred eleven million, five hundred two thousand, two hundred twenty-one".