2111221011201 has 8 divisors (see below), whose sum is σ = 2874854143104. Its totient is φ = 1377534276720.

The previous prime is 2111221011181. The next prime is 2111221011337. The reversal of 2111221011201 is 1021101221112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2111221011201 - 2²³ = 2111212622593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111221011001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7486599190 + ... + 7486599471.

It is an arithmetic number, because the mean of its divisors is an integer number (359356767888).

Almost surely, 2^{2111221011201} is an apocalyptic number.

It is an amenable number.

2111221011201 is a deficient number, since it is larger than the sum of its proper divisors (763633131903).

2111221011201 is a wasteful number, since it uses less digits than its factorization.

2111221011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14973198711.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2111221011201 its reverse (1021101221112), we get a palindrome (3132322232313).

The spelling of 2111221011201 in words is "two trillion, one hundred eleven billion, two hundred twenty-one million, eleven thousand, two hundred one".