121122021022201 has 16 divisors (see below), whose sum is σ = 122564794157568. Its totient is φ = 119687768064000.

The previous prime is 121122021022193. The next prime is 121122021022231. The reversal of 121122021022201 is 102220120221121.

It is a cyclic number.

It is not a de Polignac number, because 121122021022201 - 2³ = 121122021022193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121122021022231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420885081 + ... + 421172761.

It is an arithmetic number, because the mean of its divisors is an integer number (7660299634848).

Almost surely, 2^{121122021022201} is an apocalyptic number.

It is an amenable number.

121122021022201 is a deficient number, since it is larger than the sum of its proper divisors (1442773135367).

121122021022201 is a wasteful number, since it uses less digits than its factorization.

121122021022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302472.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121122021022201 its reverse (102220120221121), we get a palindrome (223342141243322).

The spelling of 121122021022201 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, twenty-one million, twenty-two thousand, two hundred one".