211001101211201 has 16 divisors (see below), whose sum is σ = 253932906648960. Its totient is φ = 171273768174720.

The previous prime is 211001101211123. The next prime is 211001101211209. The reversal of 211001101211201 is 102112101100112.

It is a cyclic number.

It is not a de Polignac number, because 211001101211201 - 2⁴⁶ = 140632357033537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211001101211209) 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, 302761310 + ... + 303457431.

It is an arithmetic number, because the mean of its divisors is an integer number (15870806665560).

Almost surely, 2^{211001101211201} is an apocalyptic number.

It is an amenable number.

211001101211201 is a deficient number, since it is larger than the sum of its proper divisors (42931805437759).

211001101211201 is a wasteful number, since it uses less digits than its factorization.

211001101211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606221384.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 211001101211201 its reverse (102112101100112), we get a palindrome (313113202311313).

The spelling of 211001101211201 in words is "two hundred eleven trillion, one billion, one hundred one million, two hundred eleven thousand, two hundred one".