210122101112001 has 32 divisors (see below), whose sum is σ = 308886611550720. Its totient is φ = 126245293645824.

The previous prime is 210122101111999. The next prime is 210122101112041. The reversal of 210122101112001 is 100211101221012.

It is a happy number.

It is not a de Polignac number, because 210122101112001 - 2¹ = 210122101111999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210122101112041) 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, 139388320 + ... + 140887713.

It is an arithmetic number, because the mean of its divisors is an integer number (9652706610960).

Almost surely, 2^{210122101112001} is an apocalyptic number.

It is an amenable number.

210122101112001 is a deficient number, since it is larger than the sum of its proper divisors (98764510438719).

210122101112001 is a wasteful number, since it uses less digits than its factorization.

210122101112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280276505.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210122101112001 its reverse (100211101221012), we get a palindrome (310333202333013).

The spelling of 210122101112001 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred one million, one hundred twelve thousand, one".