21211011000201 has 128 divisors (see below), whose sum is σ = 32103851028480. Its totient is φ = 12344300467200.

The previous prime is 21211011000167. The next prime is 21211011000211. The reversal of 21211011000201 is 10200011011212.

It is not a de Polignac number, because 21211011000201 - 2²³ = 21211002611593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21211011000211) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 25835579371 + ... + 25835580191.

It is an arithmetic number, because the mean of its divisors is an integer number (250811336160).

Almost surely, 2^{21211011000201} is an apocalyptic number.

It is an amenable number.

21211011000201 is a deficient number, since it is larger than the sum of its proper divisors (10892840028279).

21211011000201 is a wasteful number, since it uses less digits than its factorization.

21211011000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 21211011000201 its reverse (10200011011212), we get a palindrome (31411022011413).

The spelling of 21211011000201 in words is "twenty-one trillion, two hundred eleven billion, eleven million, two hundred one", and thus it is an aban number.