2121171162002 has 8 divisors (see below), whose sum is σ = 3182616456012. Its totient is φ = 1060299010000.

The previous prime is 2121171161981. The next prime is 2121171162053. The reversal of 2121171162002 is 2002611711212.

It can be written as a sum of positive squares in 2 ways, for example, as 2107348692241 + 13822469761 = 1451671^2 + 117569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143276249 + ... + 143291052.

Almost surely, 2^{2121171162002} is an apocalyptic number.

2121171162002 is a deficient number, since it is larger than the sum of its proper divisors (1061445294010).

2121171162002 is a wasteful number, since it uses less digits than its factorization.

2121171162002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286571004.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 2121171162002 its reverse (2002611711212), we get a palindrome (4123782873214).

The spelling of 2121171162002 in words is "two trillion, one hundred twenty-one billion, one hundred seventy-one million, one hundred sixty-two thousand, two".