2111121210201 has 8 divisors (see below), whose sum is σ = 2815074441984. Its totient is φ = 1407291059280.

The previous prime is 2111121210181. The next prime is 2111121210203. The reversal of 2111121210201 is 1020121211112.

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 2111121210201 - 2⁶ = 2111121210137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111121210203) 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, 30730185 + ... + 30798806.

It is an arithmetic number, because the mean of its divisors is an integer number (351884305248).

Almost surely, 2^{2111121210201} is an apocalyptic number.

It is an amenable number.

2111121210201 is a deficient number, since it is larger than the sum of its proper divisors (703953231783).

2111121210201 is a wasteful number, since it uses less digits than its factorization.

2111121210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61540431.

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

Adding to 2111121210201 its reverse (1020121211112), we get a palindrome (3131242421313).

The spelling of 2111121210201 in words is "two trillion, one hundred eleven billion, one hundred twenty-one million, two hundred ten thousand, two hundred one".