1021022002010 has 8 divisors (see below), whose sum is σ = 1837839603636. Its totient is φ = 408408800800.

The previous prime is 1021022001973. The next prime is 1021022002043. The reversal of 1021022002010 is 102002201201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 935071594081 + 85950407929 = 966991^2 + 293173^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1021022001982 and 1021022002000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51051100091 + ... + 51051100110.

Almost surely, 2^{1021022002010} is an apocalyptic number.

1021022002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021022002010 is a deficient number, since it is larger than the sum of its proper divisors (816817601626).

1021022002010 is a wasteful number, since it uses less digits than its factorization.

1021022002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102102200208.

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

Adding to 1021022002010 its reverse (102002201201), we get a palindrome (1123024203211).

The spelling of 1021022002010 in words is "one trillion, twenty-one billion, twenty-two million, two thousand, ten".