1021120211201 has 16 divisors (see below), whose sum is σ = 1045402243200. Its totient is φ = 997156867200.

The previous prime is 1021120211179. The next prime is 1021120211203.

1021120211201 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1021120211201 - 2¹⁴ = 1021120194817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1021120211203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4919741 + ... + 5123093.

It is an arithmetic number, because the mean of its divisors is an integer number (65337640200).

Almost surely, 2^{1021120211201} is an apocalyptic number.

It is an amenable number.

1021120211201 is a deficient number, since it is larger than the sum of its proper divisors (24282031999).

1021120211201 is a wasteful number, since it uses less digits than its factorization.

1021120211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204136.

The product of its (nonzero) digits is 16, while the sum is 14.

It can be divided in two parts, 1021120 and 211201, that added together give a palindrome (1232321).

The spelling of 1021120211201 in words is "one trillion, twenty-one billion, one hundred twenty million, two hundred eleven thousand, two hundred one".