1202121212101 has 8 divisors (see below), whose sum is σ = 1265774151200. Its totient is φ = 1138506613200.

The previous prime is 1202121212077. The next prime is 1202121212129. The reversal of 1202121212101 is 1012121212021.

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 1202121212101 - 2¹³ = 1202121203909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202121212701) 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, 9520671 + ... + 9646108.

It is an arithmetic number, because the mean of its divisors is an integer number (158221768900).

Almost surely, 2^{1202121212101} is an apocalyptic number.

It is an amenable number.

1202121212101 is a deficient number, since it is larger than the sum of its proper divisors (63652939099).

1202121212101 is a wasteful number, since it uses less digits than its factorization.

1202121212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19170099.

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

Adding to 1202121212101 its reverse (1012121212021), we get a palindrome (2214242424122).

The spelling of 1202121212101 in words is "one trillion, two hundred two billion, one hundred twenty-one million, two hundred twelve thousand, one hundred one".