121022202220201 has 8 divisors (see below), whose sum is σ = 124012500520104. Its totient is φ = 118033739028480.

The previous prime is 121022202220189. The next prime is 121022202220211. The reversal of 121022202220201 is 102022202220121.

It can be written as a sum of positive squares in 4 ways, for example, as 789858787600 + 120232343432601 = 888740^2 + 10965051^2 .

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 121022202220201 - 2⁴⁵ = 85837830131369 is a prime.

It is a super-3 number, since 3×121022202220201³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121022202220211) 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, 458643520 + ... + 458907313.

It is an arithmetic number, because the mean of its divisors is an integer number (15501562565013).

Almost surely, 2^{121022202220201} is an apocalyptic number.

It is an amenable number.

121022202220201 is a deficient number, since it is larger than the sum of its proper divisors (2990298299903).

121022202220201 is an equidigital number, since it uses as much as digits as its factorization.

121022202220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917554091.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 121022202220201 its reverse (102022202220121), we get a palindrome (223044404440322).

The spelling of 121022202220201 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred two million, two hundred twenty thousand, two hundred one".