1021220000213 has 8 divisors (see below), whose sum is σ = 1167294556032. Its totient is φ = 875191940496.

The previous prime is 1021220000167. The next prime is 1021220000231. The reversal of 1021220000213 is 3120000221201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1021220000213 - 2²⁴ = 1021203222997 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 (1021220000263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11576945 + ... + 11664822.

It is an arithmetic number, because the mean of its divisors is an integer number (145911819504).

Almost surely, 2^{1021220000213} is an apocalyptic number.

It is an amenable number.

1021220000213 is a deficient number, since it is larger than the sum of its proper divisors (146074555819).

1021220000213 is an equidigital number, since it uses as much as digits as its factorization.

1021220000213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23248051.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1021220000213 its reverse (3120000221201), we get a palindrome (4141220221414).

The spelling of 1021220000213 in words is "one trillion, twenty-one billion, two hundred twenty million, two hundred thirteen", and thus it is an aban number.