120202011102121 has 4 divisors (see below), whose sum is σ = 129448319648452. Its totient is φ = 110955702555792.

The previous prime is 120202011102109. The next prime is 120202011102133. The reversal of 120202011102121 is 121201110202021.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (120202011102109) and next prime (120202011102133).

It can be written as a sum of positive squares in 2 ways, for example, as 56255040112896 + 63946970989225 = 7500336^2 + 7996685^2 .

It is a cyclic number.

It is not a de Polignac number, because 120202011102121 - 2⁹ = 120202011101609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120202011102095 and 120202011102104.

It is not an unprimeable number, because it can be changed into a prime (120202011102421) 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, 4623154273146 + ... + 4623154273171.

It is an arithmetic number, because the mean of its divisors is an integer number (32362079912113).

Almost surely, 2^{120202011102121} is an apocalyptic number.

It is an amenable number.

120202011102121 is a deficient number, since it is larger than the sum of its proper divisors (9246308546331).

120202011102121 is an equidigital number, since it uses as much as digits as its factorization.

120202011102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9246308546330.

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

Adding to 120202011102121 its reverse (121201110202021), we get a palindrome (241403121304142).

The spelling of 120202011102121 in words is "one hundred twenty trillion, two hundred two billion, eleven million, one hundred two thousand, one hundred twenty-one".