10002111121010 has 16 divisors (see below), whose sum is σ = 18003848576472. Its totient is φ = 4000833657600.

The previous prime is 10002111120997. The next prime is 10002111121129. The reversal of 10002111121010 is 1012111120001.

It can be written as a sum of positive squares in 4 ways, for example, as 7432171892401 + 2569939228609 = 2726201^2 + 1603103^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10002111120982 and 10002111121000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3310640 + ... + 5564580.

Almost surely, 2^{10002111121010} is an apocalyptic number.

10002111121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10002111121010 is a deficient number, since it is larger than the sum of its proper divisors (8001737455462).

10002111121010 is a wasteful number, since it uses less digits than its factorization.

10002111121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697709.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10002111121010 its reverse (1012111120001), we get a palindrome (11014222241011).

The spelling of 10002111121010 in words is "ten trillion, two billion, one hundred eleven million, one hundred twenty-one thousand, ten".