321420312101002 has 4 divisors (see below), whose sum is σ = 482130468151506. Its totient is φ = 160710156050500.

The previous prime is 321420312100961. The next prime is 321420312101029. The reversal of 321420312101002 is 200101213024123.

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., 317994810743281 + 3425501357721 = 17832409^2 + 1850811^2 .

It is a super-2 number, since 2×321420312101002² (a number of 30 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, 80355078025249 + ... + 80355078025252.

Almost surely, 2^{321420312101002} is an apocalyptic number.

321420312101002 is a deficient number, since it is larger than the sum of its proper divisors (160710156050504).

321420312101002 is a wasteful number, since it uses less digits than its factorization.

321420312101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160710156050503.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 321420312101002 its reverse (200101213024123), we get a palindrome (521521525125125).

The spelling of 321420312101002 in words is "three hundred twenty-one trillion, four hundred twenty billion, three hundred twelve million, one hundred one thousand, two".