211122020121001 has 32 divisors (see below), whose sum is σ = 233670320363520. Its totient is φ = 189150939552000.

The previous prime is 211122020120989. The next prime is 211122020121029. The reversal of 211122020121001 is 100121020221112.

It is a cyclic number.

It is not a de Polignac number, because 211122020121001 - 2¹⁹ = 211122019596713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211122020121091) 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, 1020880056 + ... + 1021086838.

It is an arithmetic number, because the mean of its divisors is an integer number (7302197511360).

Almost surely, 2^{211122020121001} is an apocalyptic number.

It is an amenable number.

211122020121001 is a deficient number, since it is larger than the sum of its proper divisors (22548300242519).

211122020121001 is a wasteful number, since it uses less digits than its factorization.

211122020121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211137.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211122020121001 its reverse (100121020221112), we get a palindrome (311243040342113).

The spelling of 211122020121001 in words is "two hundred eleven trillion, one hundred twenty-two billion, twenty million, one hundred twenty-one thousand, one".