102020121122002 has 8 divisors (see below), whose sum is σ = 156762625138812. Its totient is φ = 49765912742400.

The previous prime is 102020121121999. The next prime is 102020121122063. The reversal of 102020121122002 is 200221121020201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 102009171801681 + 10949320321 = 10099959^2 + 104639^2 .

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

It is a super-3 number, since 3×102020121122002³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 622073909199 + ... + 622073909362.

Almost surely, 2^{102020121122002} is an apocalyptic number.

102020121122002 is a deficient number, since it is larger than the sum of its proper divisors (54742504016810).

102020121122002 is a wasteful number, since it uses less digits than its factorization.

102020121122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244147818604.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102020121122002 its reverse (200221121020201), we get a palindrome (302241242142203).

The spelling of 102020121122002 in words is "one hundred two trillion, twenty billion, one hundred twenty-one million, one hundred twenty-two thousand, two".