121102211001201 has 16 divisors (see below), whose sum is σ = 163415506544640. Its totient is φ = 79761867049040.

The previous prime is 121102211001199. The next prime is 121102211001229. The reversal of 121102211001201 is 102100112201121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121102211001201 - 2¹ = 121102211001199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121102211001001) 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, 147226696 + ... + 148046966.

It is an arithmetic number, because the mean of its divisors is an integer number (10213469159040).

Almost surely, 2^{121102211001201} is an apocalyptic number.

It is an amenable number.

121102211001201 is a deficient number, since it is larger than the sum of its proper divisors (42313295543439).

121102211001201 is an equidigital number, since it uses as much as digits as its factorization.

121102211001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413276.

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

Adding to 121102211001201 its reverse (102100112201121), we get a palindrome (223202323202322).

The spelling of 121102211001201 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred eleven million, one thousand, two hundred one".