1002120100010 has 8 divisors (see below), whose sum is σ = 1803816180036. Its totient is φ = 400848040000.

The previous prime is 1002120100001. The next prime is 1002120100031. The reversal of 1002120100010 is 100010212001.

It can be written as a sum of positive squares in 2 ways, for example, as 999106199809 + 3013900201 = 999553^2 + 54899^2 .

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

It is a super-3 number, since 3×1002120100010³ (a number of 37 digits) contains 333 as substring.

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, 50106004991 + ... + 50106005010.

Almost surely, 2^{1002120100010} is an apocalyptic number.

1002120100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002120100010 is a deficient number, since it is larger than the sum of its proper divisors (801696080026).

1002120100010 is a wasteful number, since it uses less digits than its factorization.

1002120100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100212010008.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1002120100010 its reverse (100010212001), we get a palindrome (1102130312011).

The spelling of 1002120100010 in words is "one trillion, two billion, one hundred twenty million, one hundred thousand, ten".