102022121002 has 8 divisors (see below), whose sum is σ = 153074187396.
Its totient is φ = 50997391872.
The previous prime is 102022120943. The next prime is 102022121021. The reversal of 102022121002 is 200121220201.
Adding to 102022121002 its reverse (200121220201), we get a palindrome (302143341203).
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 101467094521 + 555026481 = 318539^2 + 23559^2
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, 6824983 + ... + 6839914.
Almost surely, 2102022121002 is an apocalyptic number.
102022121002 is a deficient number, since it is larger than the sum of its proper divisors (51052066394).
102022121002 is a wasteful number, since it uses less digits than its factorization.
102022121002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13668632.
The product of its (nonzero) digits is 32, while the sum is 13.
The spelling of 102022121002 in words is "one hundred two billion, twenty-two million, one hundred twenty-one thousand, two".