1002121110010 has 64 divisors (see below), whose sum is σ = 1829943902592. Its totient is φ = 395097440256.

The previous prime is 1002121110007. The next prime is 1002121110037. The reversal of 1002121110010 is 100111212001.

1002121110010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97600897 + ... + 97611163.

It is an arithmetic number, because the mean of its divisors is an integer number (28592873478).

Almost surely, 2^{1002121110010} is an apocalyptic number.

1002121110010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002121110010 is a deficient number, since it is larger than the sum of its proper divisors (827822792582).

1002121110010 is a wasteful number, since it uses less digits than its factorization.

1002121110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10927.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1002121110010 its reverse (100111212001), we get a palindrome (1102232322011).

The spelling of 1002121110010 in words is "one trillion, two billion, one hundred twenty-one million, one hundred ten thousand, ten".