1002120322101 has 32 divisors (see below), whose sum is σ = 1402431528960. Its totient is φ = 635294352000.

The previous prime is 1002120322079. The next prime is 1002120322103. The reversal of 1002120322101 is 1012230212001.

It is not a de Polignac number, because 1002120322101 - 2⁵ = 1002120322069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002120322103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9860536 + ... + 9961646.

It is an arithmetic number, because the mean of its divisors is an integer number (43825985280).

Almost surely, 2^{1002120322101} is an apocalyptic number.

It is an amenable number.

1002120322101 is a deficient number, since it is larger than the sum of its proper divisors (400311206859).

1002120322101 is a wasteful number, since it uses less digits than its factorization.

1002120322101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101977.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1002120322101 its reverse (1012230212001), we get a palindrome (2014350534102).

The spelling of 1002120322101 in words is "one trillion, two billion, one hundred twenty million, three hundred twenty-two thousand, one hundred one".