121010221201121 has 8 divisors (see below), whose sum is σ = 138890946714624. Its totient is φ = 103277883451680.

The previous prime is 121010221201069. The next prime is 121010221201139. The reversal of 121010221201121 is 121102122010121.

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

It is not a de Polignac number, because 121010221201121 - 2³⁴ = 120993041331937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121010221201121.

It is not an unprimeable number, because it can be changed into a prime (121010221201151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37096939265 + ... + 37096942526.

It is an arithmetic number, because the mean of its divisors is an integer number (17361368339328).

Almost surely, 2^{121010221201121} is an apocalyptic number.

It is an amenable number.

121010221201121 is a deficient number, since it is larger than the sum of its proper divisors (17880725513503).

121010221201121 is an equidigital number, since it uses as much as digits as its factorization.

121010221201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74193882031.

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

Adding to 121010221201121 its reverse (121102122010121), we get a palindrome (242112343211242).

The spelling of 121010221201121 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty-one million, two hundred one thousand, one hundred twenty-one".