120221101010001 has 4 divisors (see below), whose sum is σ = 160294801346672. Its totient is φ = 80147400673332.

The previous prime is 120221101009991. The next prime is 120221101010041. The reversal of 120221101010001 is 100010101122021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 120221101010001 - 2⁵ = 120221101009969 is a prime.

It is a super-2 number, since 2×120221101010001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120221101010041) 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, 20036850168331 + ... + 20036850168336.

It is an arithmetic number, because the mean of its divisors is an integer number (40073700336668).

Almost surely, 2^{120221101010001} is an apocalyptic number.

It is an amenable number.

120221101010001 is a deficient number, since it is larger than the sum of its proper divisors (40073700336671).

120221101010001 is an equidigital number, since it uses as much as digits as its factorization.

120221101010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40073700336670.

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

Adding to 120221101010001 its reverse (100010101122021), we get a palindrome (220231202132022).

The spelling of 120221101010001 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred one million, ten thousand, one".