120101220101 has 4 divisors (see below), whose sum is σ = 127165997772. Its totient is φ = 113036442432.

The previous prime is 120101220097. The next prime is 120101220103. The reversal of 120101220101 is 101022101021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67978047076 + 52123173025 = 260726^2 + 228305^2 .

It is not a de Polignac number, because 120101220101 - 2² = 120101220097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101220103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3532388810 + ... + 3532388843.

It is an arithmetic number, because the mean of its divisors is an integer number (31791499443).

Almost surely, 2^120101220101 is an apocalyptic number.

It is an amenable number.

120101220101 is a deficient number, since it is larger than the sum of its proper divisors (7064777671).

120101220101 is an equidigital number, since it uses as much as digits as its factorization.

120101220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7064777670.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120101220101 its reverse (101022101021), we get a palindrome (221123321122).

The spelling of 120101220101 in words is "one hundred twenty billion, one hundred one million, two hundred twenty thousand, one hundred one".