211000121101 has 16 divisors (see below), whose sum is σ = 267523822080. Its totient is φ = 161628968880.

The previous prime is 211000121081. The next prime is 211000121131. The reversal of 211000121101 is 101121000112.

It is a cyclic number.

It is not a de Polignac number, because 211000121101 - 2⁵ = 211000121069 is a prime.

It is a super-2 number, since 2×211000121101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211000121131) 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, 23218011 + ... + 23227096.

It is an arithmetic number, because the mean of its divisors is an integer number (16720238880).

Almost surely, 2^211000121101 is an apocalyptic number.

It is an amenable number.

211000121101 is a deficient number, since it is larger than the sum of its proper divisors (56523700979).

211000121101 is a wasteful number, since it uses less digits than its factorization.

211000121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46445184.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 211000121101 its reverse (101121000112), we get a palindrome (312121121213).

The spelling of 211000121101 in words is "two hundred eleven billion, one hundred twenty-one thousand, one hundred one".