101002121021002 has 8 divisors (see below), whose sum is σ = 151503393353796. Its totient is φ = 50500989903072.

The previous prime is 101002121020987. The next prime is 101002121021003. The reversal of 101002121021002 is 200120121200101.

It can be written as a sum of positive squares in 2 ways, for example, as 98445706964361 + 2556414056641 = 9921981^2 + 1598879^2 .

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

It is a super-2 number, since 2×101002121021002² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101002121021003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33497133 + ... + 36387664.

Almost surely, 2^{101002121021002} is an apocalyptic number.

101002121021002 is a deficient number, since it is larger than the sum of its proper divisors (50501272332794).

101002121021002 is an equidigital number, since it uses as much as digits as its factorization.

101002121021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70607432.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101002121021002 its reverse (200120121200101), we get a palindrome (301122242221103).

The spelling of 101002121021002 in words is "one hundred one trillion, two billion, one hundred twenty-one million, twenty-one thousand, two".