1022021101010 has 96 divisors (see below), whose sum is σ = 2305956168432. Its totient is φ = 323262696960.

The previous prime is 1022021101009. The next prime is 1022021101039. The reversal of 1022021101010 is 101011202201.

It can be written as a sum of positive squares in 8 ways, for example, as 93228240889 + 928792860121 = 305333^2 + 963739^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1022021100982 and 1022021101000.

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 47 ways as a sum of consecutive naturals, for example, 10992920 + ... + 11085500.

Almost surely, 2^{1022021101010} is an apocalyptic number.

1022021101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022021101010 is an abundant number, since it is smaller than the sum of its proper divisors (1283935067422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022021101010 is a wasteful number, since it uses less digits than its factorization.

1022021101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94348 (or 94341 counting only the distinct ones).

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

Adding to 1022021101010 its reverse (101011202201), we get a palindrome (1123032303211).

The spelling of 1022021101010 in words is "one trillion, twenty-two billion, twenty-one million, one hundred one thousand, ten".