1020421310210 has 16 divisors (see below), whose sum is σ = 1886400476856. Its totient is φ = 397136942208.

The previous prime is 1020421310197. The next prime is 1020421310243. The reversal of 1020421310210 is 120131240201.

1020421310210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 722205929929 + 298215380281 = 849827^2 + 546091^2 .

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, 1378947347 + ... + 1378948086.

Almost surely, 2^{1020421310210} is an apocalyptic number.

1020421310210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020421310210 is a deficient number, since it is larger than the sum of its proper divisors (865979166646).

1020421310210 is a wasteful number, since it uses less digits than its factorization.

1020421310210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757895477.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1020421310210 its reverse (120131240201), we get a palindrome (1140552550411).

The spelling of 1020421310210 in words is "one trillion, twenty billion, four hundred twenty-one million, three hundred ten thousand, two hundred ten".