12021101121002 has 4 divisors (see below), whose sum is σ = 18031651681506. Its totient is φ = 6010550560500.

The previous prime is 12021101120989. The next prime is 12021101121013. The reversal of 12021101121002 is 20012110112021.

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

It can be written as a sum of positive squares in only one way, i.e., 10919317104721 + 1101784016281 = 3304439^2 + 1049659^2 .

It is a super-2 number, since 2×12021101121002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005275280249 + ... + 3005275280252.

Almost surely, 2^{12021101121002} is an apocalyptic number.

12021101121002 is a deficient number, since it is larger than the sum of its proper divisors (6010550560504).

12021101121002 is an equidigital number, since it uses as much as digits as its factorization.

12021101121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010550560503.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12021101121002 its reverse (20012110112021), we get a palindrome (32033211233023).

The spelling of 12021101121002 in words is "twelve trillion, twenty-one billion, one hundred one million, one hundred twenty-one thousand, two".