122101211210001 has 8 divisors (see below), whose sum is σ = 162801746066304. Its totient is φ = 81400741913520.

The previous prime is 122101211209981. The next prime is 122101211210009. The reversal of 122101211210001 is 100012112101221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122101211210001 - 2⁵ = 122101211209969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122101211210009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11865865 + ... + 19621446.

It is an arithmetic number, because the mean of its divisors is an integer number (20350218258288).

Almost surely, 2^{122101211210001} is an apocalyptic number.

It is an amenable number.

122101211210001 is a deficient number, since it is larger than the sum of its proper divisors (40700534856303).

122101211210001 is a wasteful number, since it uses less digits than its factorization.

122101211210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32779911.

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

Adding to 122101211210001 its reverse (100012112101221), we get a palindrome (222113323311222).

The spelling of 122101211210001 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred eleven million, two hundred ten thousand, one".