1202022213121 has 4 divisors (see below), whose sum is σ = 1202162008000. Its totient is φ = 1201882418244.

The previous prime is 1202022213103. The next prime is 1202022213143. The reversal of 1202022213121 is 1213122202021.

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 1202022213121 - 2⁵ = 1202022213089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202022219121) 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, 69884541 + ... + 69901738.

It is an arithmetic number, because the mean of its divisors is an integer number (300540502000).

Almost surely, 2^{1202022213121} is an apocalyptic number.

It is an amenable number.

1202022213121 is a deficient number, since it is larger than the sum of its proper divisors (139794879).

1202022213121 is an equidigital number, since it uses as much as digits as its factorization.

1202022213121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139794878.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1202022213121 its reverse (1213122202021), we get a palindrome (2415144415142).

The spelling of 1202022213121 in words is "one trillion, two hundred two billion, twenty-two million, two hundred thirteen thousand, one hundred twenty-one".