2000021100010 has 64 divisors (see below), whose sum is σ = 3712280308128. Its totient is φ = 775475011584.

The previous prime is 2000021099969. The next prime is 2000021100029. The reversal of 2000021100010 is 100011200002.

It can be written as a sum of positive squares in 16 ways, for example, as 106433190081 + 1893587909929 = 326241^2 + 1376077^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2000021099966 and 2000021100002.

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, 18692224 + ... + 18798916.

Almost surely, 2^{2000021100010} is an apocalyptic number.

2000021100010 is a deficient number, since it is larger than the sum of its proper divisors (1712259208118).

2000021100010 is a wasteful number, since it uses less digits than its factorization.

2000021100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107179.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 2000021100010 its reverse (100011200002), we get a palindrome (2100032300012).

The spelling of 2000021100010 in words is "two trillion, twenty-one million, one hundred thousand, ten".