121022201021001 has 32 divisors (see below), whose sum is σ = 187442692328448. Its totient is φ = 68020134315840.

The previous prime is 121022201020993. The next prime is 121022201021093. The reversal of 121022201021001 is 100120102220121.

It is not a de Polignac number, because 121022201021001 - 2³ = 121022201020993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121022201021401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50618526 + ... + 52955448.

It is an arithmetic number, because the mean of its divisors is an integer number (5857584135264).

Almost surely, 2^{121022201021001} is an apocalyptic number.

It is an amenable number.

121022201021001 is a deficient number, since it is larger than the sum of its proper divisors (66420491307447).

121022201021001 is a wasteful number, since it uses less digits than its factorization.

121022201021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377421.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121022201021001 its reverse (100120102220121), we get a palindrome (221142303241122).

The spelling of 121022201021001 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred one million, twenty-one thousand, one".