120221101021001 has 16 divisors (see below), whose sum is σ = 121864291900416. Its totient is φ = 118587183000000.

The previous prime is 120221101020989. The next prime is 120221101021027. The reversal of 120221101021001 is 100120101122021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120221101021001 is a prime.

It is a super-2 number, since 2×120221101021001² (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 (120221101011001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60301991 + ... + 62263731.

It is an arithmetic number, because the mean of its divisors is an integer number (7616518243776).

Almost surely, 2^{120221101021001} is an apocalyptic number.

It is an amenable number.

120221101021001 is a deficient number, since it is larger than the sum of its proper divisors (1643190879415).

120221101021001 is a wasteful number, since it uses less digits than its factorization.

120221101021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964104.

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

Adding to 120221101021001 its reverse (100120101122021), we get a palindrome (220341202143022).

The spelling of 120221101021001 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred one million, twenty-one thousand, one".