120101220201111 has 32 divisors (see below), whose sum is σ = 168592514890752. Its totient is φ = 75901133468160.

The previous prime is 120101220201097. The next prime is 120101220201121. The reversal of 120101220201111 is 111102022101021.

It is a happy number.

It is not a de Polignac number, because 120101220201111 - 2⁴² = 115703173690007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101220201121) 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, 79821046 + ... + 81311756.

It is an arithmetic number, because the mean of its divisors is an integer number (5268516090336).

Almost surely, 2^{120101220201111} is an apocalyptic number.

120101220201111 is a deficient number, since it is larger than the sum of its proper divisors (48491294689641).

120101220201111 is a wasteful number, since it uses less digits than its factorization.

120101220201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501183.

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

Adding to 120101220201111 its reverse (111102022101021), we get a palindrome (231203242302132).

The spelling of 120101220201111 in words is "one hundred twenty trillion, one hundred one billion, two hundred twenty million, two hundred one thousand, one hundred eleven".