1021012222213 has 8 divisors (see below), whose sum is σ = 1024353475200. Its totient is φ = 1017674376768.

The previous prime is 1021012222193. The next prime is 1021012222271. The reversal of 1021012222213 is 3122222101201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021012222213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021012222613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250948 + ... + 1450861.

It is an arithmetic number, because the mean of its divisors is an integer number (128044184400).

Almost surely, 2^{1021012222213} is an apocalyptic number.

It is an amenable number.

1021012222213 is a deficient number, since it is larger than the sum of its proper divisors (3341252987).

1021012222213 is a wasteful number, since it uses less digits than its factorization.

1021012222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703771.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1021012222213 its reverse (3122222101201), we get a palindrome (4143234323414).

It can be divided in two parts, 1021012 and 222213, that added together give a square (1243225 = 1115²).

The spelling of 1021012222213 in words is "one trillion, twenty-one billion, twelve million, two hundred twenty-two thousand, two hundred thirteen".