1011021002205 has 64 divisors (see below), whose sum is σ = 1706673024000. Its totient is φ = 509663024640.

The previous prime is 1011021002197. The next prime is 1011021002291. The reversal of 1011021002205 is 5022001201101.

It is not a de Polignac number, because 1011021002205 - 2³ = 1011021002197 is a prime.

It is a super-2 number, since 2×1011021002205² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 283118070 + ... + 283121640.

It is an arithmetic number, because the mean of its divisors is an integer number (26666766000).

Almost surely, 2^{1011021002205} is an apocalyptic number.

1011021002205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1011021002205 is a deficient number, since it is larger than the sum of its proper divisors (695652021795).

1011021002205 is a wasteful number, since it uses less digits than its factorization.

1011021002205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5594.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 1011021002205 its reverse (5022001201101), we get a palindrome (6033022203306).

The spelling of 1011021002205 in words is "one trillion, eleven billion, twenty-one million, two thousand, two hundred five".