21120100011201 has 64 divisors (see below), whose sum is σ = 28765397396736. Its totient is φ = 13781809152000.

The previous prime is 21120100011181. The next prime is 21120100011203. The reversal of 21120100011201 is 10211000102112.

It is not a de Polignac number, because 21120100011201 - 2⁵ = 21120100011169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21120100011203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7290333385 + ... + 7290336281.

It is an arithmetic number, because the mean of its divisors is an integer number (449459334324).

Almost surely, 2^{21120100011201} is an apocalyptic number.

It is an amenable number.

21120100011201 is a deficient number, since it is larger than the sum of its proper divisors (7645297385535).

21120100011201 is a wasteful number, since it uses less digits than its factorization.

21120100011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922.

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

Adding to 21120100011201 its reverse (10211000102112), we get a palindrome (31331100113313).

The spelling of 21120100011201 in words is "twenty-one trillion, one hundred twenty billion, one hundred million, eleven thousand, two hundred one".