211102201001 has 4 divisors (see below), whose sum is σ = 211135248900. Its totient is φ = 211069153104.

The previous prime is 211102200941. The next prime is 211102201073. The reversal of 211102201001 is 100102201112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12360102976 + 198742098025 = 111176^2 + 445805^2 .

It is a cyclic number.

It is not a de Polignac number, because 211102201001 - 2⁶ = 211102200937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211102201601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16514366 + ... + 16527143.

It is an arithmetic number, because the mean of its divisors is an integer number (52783812225).

Almost surely, 2^211102201001 is an apocalyptic number.

It is an amenable number.

211102201001 is a deficient number, since it is larger than the sum of its proper divisors (33047899).

211102201001 is an equidigital number, since it uses as much as digits as its factorization.

211102201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33047898.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211102201001 its reverse (100102201112), we get a palindrome (311204402113).

The spelling of 211102201001 in words is "two hundred eleven billion, one hundred two million, two hundred one thousand, one".