1012021101010 has 8 divisors (see below), whose sum is σ = 1821637981836. Its totient is φ = 404808440400.

The previous prime is 1012021100941. The next prime is 1012021101037. The reversal of 1012021101010 is 101011202101.

It can be written as a sum of positive squares in 2 ways, for example, as 988849259281 + 23171841729 = 994409^2 + 152223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 101202110101 = 1012021101010 / (1 + 0 + 1 + 2 + 0 + 2 + 1 + 1 + 0 + 1 + 0 + 1 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50601055041 + ... + 50601055060.

Almost surely, 2^{1012021101010} is an apocalyptic number.

1012021101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012021101010 is a deficient number, since it is larger than the sum of its proper divisors (809616880826).

1012021101010 is a wasteful number, since it uses less digits than its factorization.

1012021101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101202110108.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1012021101010 its reverse (101011202101), we get a palindrome (1113032303111).

The spelling of 1012021101010 in words is "one trillion, twelve billion, twenty-one million, one hundred one thousand, ten".