2121120201011 has 8 divisors (see below), whose sum is σ = 2426488629504. Its totient is φ = 1816339586760.

The previous prime is 2121120200911. The next prime is 2121120201019. The reversal of 2121120201011 is 1101020211212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121120201011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121120201019) 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, 146945825 + ... + 146960258.

It is an arithmetic number, because the mean of its divisors is an integer number (303311078688).

Almost surely, 2^{2121120201011} is an apocalyptic number.

2121120201011 is a deficient number, since it is larger than the sum of its proper divisors (305368428493).

2121120201011 is a wasteful number, since it uses less digits than its factorization.

2121120201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293907121.

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

Adding to 2121120201011 its reverse (1101020211212), we get a palindrome (3222140412223).

The spelling of 2121120201011 in words is "two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred one thousand, eleven".