210122100011101 has 4 divisors (see below), whose sum is σ = 210293908761312. Its totient is φ = 209950291260892.

The previous prime is 210122100011081. The next prime is 210122100011129. The reversal of 210122100011101 is 101110001221012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210122100011101 - 2¹¹ = 210122100009053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210122100011141) 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, 85904373271 + ... + 85904375716.

It is an arithmetic number, because the mean of its divisors is an integer number (52573477190328).

Almost surely, 2^{210122100011101} is an apocalyptic number.

It is an amenable number.

210122100011101 is a deficient number, since it is larger than the sum of its proper divisors (171808750211).

210122100011101 is a wasteful number, since it uses less digits than its factorization.

210122100011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171808750210.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210122100011101 its reverse (101110001221012), we get a palindrome (311232101232113).

The spelling of 210122100011101 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred million, eleven thousand, one hundred one".