120001102211001 has 32 divisors (see below), whose sum is σ = 186608847679488. Its totient is φ = 67785265117440.

The previous prime is 120001102210919. The next prime is 120001102211021. The reversal of 120001102211001 is 100112201100021.

It is not a de Polignac number, because 120001102211001 - 2¹⁰ = 120001102209977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120001102211021) 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, 1038319441 + ... + 1038435006.

It is an arithmetic number, because the mean of its divisors is an integer number (5831526489984).

Almost surely, 2^{120001102211001} is an apocalyptic number.

120001102211001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120001102211001 is a deficient number, since it is larger than the sum of its proper divisors (66607745468487).

120001102211001 is a wasteful number, since it uses less digits than its factorization.

120001102211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076754581.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120001102211001 its reverse (100112201100021), we get a palindrome (220113303311022).

The spelling of 120001102211001 in words is "one hundred twenty trillion, one billion, one hundred two million, two hundred eleven thousand, one".