21012010210010 has 16 divisors (see below), whose sum is σ = 37988233441056. Its totient is φ = 8367778514448.

The previous prime is 21012010210007. The next prime is 21012010210033. The reversal of 21012010210010 is 1001201021012.

It is a junction number, because it is equal to n+sod(n) for n = 21012010209973 and 21012010210000.

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, 4628193812 + ... + 4628198351.

It is an arithmetic number, because the mean of its divisors is an integer number (2374264590066).

Almost surely, 2^{21012010210010} is an apocalyptic number.

21012010210010 is a deficient number, since it is larger than the sum of its proper divisors (16976223231046).

21012010210010 is a wasteful number, since it uses less digits than its factorization.

21012010210010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9256392397.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 21012010210010 its reverse (1001201021012), we get a palindrome (22013211231022).

The spelling of 21012010210010 in words is "twenty-one trillion, twelve billion, ten million, two hundred ten thousand, ten".