120001221210101 has 8 divisors (see below), whose sum is σ = 149611912158144. Its totient is φ = 93507445098720.

The previous prime is 120001221210047. The next prime is 120001221210121. The reversal of 120001221210101 is 101012122100021.

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

It is a cyclic number.

It is not a de Polignac number, because 120001221210101 - 2⁴² = 115603174698997 is a prime.

It is a super-2 number, since 2×120001221210101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001221210121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779228709080 + ... + 779228709233.

It is an arithmetic number, because the mean of its divisors is an integer number (18701489019768).

Almost surely, 2^{120001221210101} is an apocalyptic number.

120001221210101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120001221210101 is a deficient number, since it is larger than the sum of its proper divisors (29610690948043).

120001221210101 is a wasteful number, since it uses less digits than its factorization.

120001221210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558457418331.

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

Adding to 120001221210101 its reverse (101012122100021), we get a palindrome (221013343310122).

The spelling of 120001221210101 in words is "one hundred twenty trillion, one billion, two hundred twenty-one million, two hundred ten thousand, one hundred one".