1021142020010 has 32 divisors (see below), whose sum is σ = 2100670830720. Its totient is φ = 350099865792.

The previous prime is 1021142019959. The next prime is 1021142020037. The reversal of 1021142020010 is 100202411201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6552617 + ... + 6706643.

It is an arithmetic number, because the mean of its divisors is an integer number (65645963460).

Almost surely, 2^{1021142020010} is an apocalyptic number.

1021142020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021142020010 is an abundant number, since it is smaller than the sum of its proper divisors (1079528810710).

1021142020010 is a wasteful number, since it uses less digits than its factorization.

1021142020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248750.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1021142020010 its reverse (100202411201), we get a palindrome (1121344431211).

The spelling of 1021142020010 in words is "one trillion, twenty-one billion, one hundred forty-two million, twenty thousand, ten".