211000121022201 has 32 divisors (see below), whose sum is σ = 330225050972160. Its totient is φ = 117308822774976.

The previous prime is 211000121022091. The next prime is 211000121022203. The reversal of 211000121022201 is 102220121000112.

It is not a de Polignac number, because 211000121022201 - 2¹⁵ = 211000120989433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211000121022203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18344020 + ... + 27540938.

It is an arithmetic number, because the mean of its divisors is an integer number (10319532842880).

Almost surely, 2^{211000121022201} is an apocalyptic number.

211000121022201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

211000121022201 is a deficient number, since it is larger than the sum of its proper divisors (119224929949959).

211000121022201 is a wasteful number, since it uses less digits than its factorization.

211000121022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9226493.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211000121022201 its reverse (102220121000112), we get a palindrome (313220242022313).

The spelling of 211000121022201 in words is "two hundred eleven trillion, one hundred twenty-one million, twenty-two thousand, two hundred one".