1212102201121 has 8 divisors (see below), whose sum is σ = 1385915264384. Its totient is φ = 1038453039360.

The previous prime is 1212102201097. The next prime is 1212102201131. The reversal of 1212102201121 is 1211022012121.

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 1212102201121 - 2⁹ = 1212102200609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212102201095 and 1212102201104.

It is not an unprimeable number, because it can be changed into a prime (1212102201131) 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, 40959525 + ... + 40989106.

It is an arithmetic number, because the mean of its divisors is an integer number (173239408048).

Almost surely, 2^{1212102201121} is an apocalyptic number.

It is an amenable number.

1212102201121 is a deficient number, since it is larger than the sum of its proper divisors (173813063263).

1212102201121 is an equidigital number, since it uses as much as digits as its factorization.

1212102201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81950751.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1212102201121 its reverse (1211022012121), we get a palindrome (2423124213242).

The spelling of 1212102201121 in words is "one trillion, two hundred twelve billion, one hundred two million, two hundred one thousand, one hundred twenty-one".