1202020322101 has 4 divisors (see below), whose sum is σ = 1265284549600. Its totient is φ = 1138756094604.

The previous prime is 1202020322099. The next prime is 1202020322117. The reversal of 1202020322101 is 1012230202021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1202020322101 - 2¹ = 1202020322099 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 (1202020322161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31632113721 + ... + 31632113758.

It is an arithmetic number, because the mean of its divisors is an integer number (316321137400).

Almost surely, 2^{1202020322101} is an apocalyptic number.

It is an amenable number.

1202020322101 is a deficient number, since it is larger than the sum of its proper divisors (63264227499).

1202020322101 is an equidigital number, since it uses as much as digits as its factorization.

1202020322101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63264227498.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1202020322101 its reverse (1012230202021), we get a palindrome (2214250524122).

The spelling of 1202020322101 in words is "one trillion, two hundred two billion, twenty million, three hundred twenty-two thousand, one hundred one".