120001211012201 has 8 divisors (see below), whose sum is σ = 122261813877384. Its totient is φ = 117761637011200.

The previous prime is 120001211012143. The next prime is 120001211012227. The reversal of 120001211012201 is 102210112100021.

It can be written as a sum of positive squares in 4 ways, for example, as 23710559683801 + 96290651328400 = 4869349^2 + 9812780^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120001211012201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120001211012261) 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, 5257204526 + ... + 5257227351.

It is an arithmetic number, because the mean of its divisors is an integer number (15282726734673).

Almost surely, 2^{120001211012201} is an apocalyptic number.

It is an amenable number.

120001211012201 is a deficient number, since it is larger than the sum of its proper divisors (2260602865183).

120001211012201 is a wasteful number, since it uses less digits than its factorization.

120001211012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10514432091.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120001211012201 its reverse (102210112100021), we get a palindrome (222211323112222).

The spelling of 120001211012201 in words is "one hundred twenty trillion, one billion, two hundred eleven million, twelve thousand, two hundred one".