1021202020010 has 32 divisors (see below), whose sum is σ = 1841038502400. Its totient is φ = 407842151040.

The previous prime is 1021202019979. The next prime is 1021202020019. The reversal of 1021202020010 is 100202021201.

It is a happy number.

1021202020010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1021202019973 and 1021202020000.

It is not an unprimeable number, because it can be changed into a prime (1021202020019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66995990 + ... + 67011230.

It is an arithmetic number, because the mean of its divisors is an integer number (57532453200).

Almost surely, 2^{1021202020010} is an apocalyptic number.

1021202020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021202020010 is a deficient number, since it is larger than the sum of its proper divisors (819836482390).

1021202020010 is a wasteful number, since it uses less digits than its factorization.

1021202020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25286.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1021202020010 its reverse (100202021201), we get a palindrome (1121404041211).

The spelling of 1021202020010 in words is "one trillion, twenty-one billion, two hundred two million, twenty thousand, ten".