1021010020010 has 32 divisors (see below), whose sum is σ = 1880719093440. Its totient is φ = 398872067328.

The previous prime is 1021010019983. The next prime is 1021010020021. The reversal of 1021010020010 is 100200101201.

It is a super-2 number, since 2×1021010020010² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1021010020010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5250701 + ... + 5441679.

It is an arithmetic number, because the mean of its divisors is an integer number (58772471670).

Almost surely, 2^{1021010020010} is an apocalyptic number.

1021010020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021010020010 is a deficient number, since it is larger than the sum of its proper divisors (859709073430).

1021010020010 is a wasteful number, since it uses less digits than its factorization.

1021010020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203462.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1021010020010 its reverse (100200101201), we get a palindrome (1121210121211).

The spelling of 1021010020010 in words is "one trillion, twenty-one billion, ten million, twenty thousand, ten".