121021022110101 has 8 divisors (see below), whose sum is σ = 169854066119520. Its totient is φ = 76434329753712.

The previous prime is 121021022110091. The next prime is 121021022110103. The reversal of 121021022110101 is 101011220120121.

It is a happy number.

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

It is not a de Polignac number, because 121021022110101 - 2⁷ = 121021022109973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121021022110103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061587913190 + ... + 1061587913303.

It is an arithmetic number, because the mean of its divisors is an integer number (21231758264940).

Almost surely, 2^{121021022110101} is an apocalyptic number.

It is an amenable number.

121021022110101 is a deficient number, since it is larger than the sum of its proper divisors (48833044009419).

121021022110101 is a wasteful number, since it uses less digits than its factorization.

121021022110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123175826515.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121021022110101 its reverse (101011220120121), we get a palindrome (222032242230222).

The spelling of 121021022110101 in words is "one hundred twenty-one trillion, twenty-one billion, twenty-two million, one hundred ten thousand, one hundred one".