121102111022201 has 8 divisors (see below), whose sum is σ = 123920257020384. Its totient is φ = 118284047652960.

The previous prime is 121102111022153. The next prime is 121102111022213. The reversal of 121102111022201 is 102220111201121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121102111022201 is a prime.

It is a super-2 number, since 2×121102111022201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121102111022201.

It is not an unprimeable number, because it can be changed into a prime (121102111022261) 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, 17686991 + ... + 23559156.

It is an arithmetic number, because the mean of its divisors is an integer number (15490032127548).

Almost surely, 2^{121102111022201} is an apocalyptic number.

It is an amenable number.

121102111022201 is a deficient number, since it is larger than the sum of its proper divisors (2818145998183).

121102111022201 is an equidigital number, since it uses as much as digits as its factorization.

121102111022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41314471.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121102111022201 its reverse (102220111201121), we get a palindrome (223322222223322).

The spelling of 121102111022201 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred eleven million, twenty-two thousand, two hundred one".