120121021102201 has 40 divisors (see below), whose sum is σ = 147525722003520. Its totient is φ = 97530339072096.

The previous prime is 120121021102183. The next prime is 120121021102219. The reversal of 120121021102201 is 102201120121021.

It is an interprime number because it is at equal distance from previous prime (120121021102183) and next prime (120121021102219).

It is a de Polignac number, because none of the positive numbers 2^k-120121021102201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120121021102301) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 396414516 + ... + 396717418.

It is an arithmetic number, because the mean of its divisors is an integer number (3688143050088).

Almost surely, 2^{120121021102201} is an apocalyptic number.

It is an amenable number.

120121021102201 is a deficient number, since it is larger than the sum of its proper divisors (27404700901319).

120121021102201 is an frugal number, since it uses more digits than its factorization.

120121021102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311643 (or 311622 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120121021102201 its reverse (102201120121021), we get a palindrome (222322141223222).

It can be divided in two parts, 120121021 and 102201, that multiplied together give a palindrome (12276488467221).

The spelling of 120121021102201 in words is "one hundred twenty trillion, one hundred twenty-one billion, twenty-one million, one hundred two thousand, two hundred one".