1021101002205 has 32 divisors (see below), whose sum is σ = 1676167426560. Its totient is φ = 530518766400.

The previous prime is 1021101002197. The next prime is 1021101002221. The reversal of 1021101002205 is 5022001011201.

It is not a de Polignac number, because 1021101002205 - 2³ = 1021101002197 is a prime.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1844071 + ... + 2332980.

It is an arithmetic number, because the mean of its divisors is an integer number (52380232080).

Almost surely, 2^{1021101002205} is an apocalyptic number.

1021101002205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1021101002205 is a deficient number, since it is larger than the sum of its proper divisors (655066424355).

1021101002205 is a wasteful number, since it uses less digits than its factorization.

1021101002205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177481.

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

Adding to 1021101002205 its reverse (5022001011201), we get a palindrome (6043102013406).

The spelling of 1021101002205 in words is "one trillion, twenty-one billion, one hundred one million, two thousand, two hundred five".