211200102121001 has 16 divisors (see below), whose sum is σ = 243595192579200. Its totient is φ = 179361049344768.

The previous prime is 211200102120983. The next prime is 211200102121009. The reversal of 211200102121001 is 100121201002112.

It is a cyclic number.

It is not a de Polignac number, because 211200102121001 - 2⁴⁶ = 140831357943337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211200102121009) 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, 14957441 + ... + 25418993.

It is an arithmetic number, because the mean of its divisors is an integer number (15224699536200).

Almost surely, 2^{211200102121001} is an apocalyptic number.

It is an amenable number.

211200102121001 is a deficient number, since it is larger than the sum of its proper divisors (32395090458199).

211200102121001 is a wasteful number, since it uses less digits than its factorization.

211200102121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10488128.

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

Adding to 211200102121001 its reverse (100121201002112), we get a palindrome (311321303123113).

The spelling of 211200102121001 in words is "two hundred eleven trillion, two hundred billion, one hundred two million, one hundred twenty-one thousand, one".