101201121221021 has 8 divisors (see below), whose sum is σ = 104981712662400. Its totient is φ = 97483018894560.

The previous prime is 101201121220987. The next prime is 101201121221023. The reversal of 101201121221021 is 120122121102101.

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 101201121221021 - 2¹⁴ = 101201121204637 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 (101201121221023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15622275431 + ... + 15622281908.

It is an arithmetic number, because the mean of its divisors is an integer number (13122714082800).

Almost surely, 2^{101201121221021} is an apocalyptic number.

It is an amenable number.

101201121221021 is a deficient number, since it is larger than the sum of its proper divisors (3780591441379).

101201121221021 is an equidigital number, since it uses as much as digits as its factorization.

101201121221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31244557459.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101201121221021 its reverse (120122121102101), we get a palindrome (221323242323122).

The spelling of 101201121221021 in words is "one hundred one trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty-one thousand, twenty-one".