1022001121010 has 32 divisors (see below), whose sum is σ = 1884668176944. Its totient is φ = 398787840000.

The previous prime is 1022001120997. The next prime is 1022001121021. The reversal of 1022001121010 is 101211002201.

It can be written as a sum of positive squares in 8 ways, for example, as 135452705521 + 886548415489 = 368039^2 + 941567^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1022001120982 and 1022001121000.

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, 3933530 + ... + 4185290.

Almost surely, 2^{1022001121010} is an apocalyptic number.

1022001121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022001121010 is a deficient number, since it is larger than the sum of its proper divisors (862667055934).

1022001121010 is a wasteful number, since it uses less digits than its factorization.

1022001121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261710.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1022001121010 its reverse (101211002201), we get a palindrome (1123212123211).

The spelling of 1022001121010 in words is "one trillion, twenty-two billion, one million, one hundred twenty-one thousand, ten".