1021112213301 has 20 divisors (see below), whose sum is σ = 1591685385312. Its totient is φ = 651144018888.

The previous prime is 1021112213299. The next prime is 1021112213339. The reversal of 1021112213301 is 1033122111201.

1021112213301 is a `hidden beast` number, since 1 + 0 + 2 + 111 + 221 + 330 + 1 = 666.

It is not a de Polignac number, because 1021112213301 - 2¹ = 1021112213299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021112213701) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 274048651 + ... + 274052376.

Almost surely, 2^{1021112213301} is an apocalyptic number.

It is an amenable number.

1021112213301 is a deficient number, since it is larger than the sum of its proper divisors (570573172011).

1021112213301 is an equidigital number, since it uses as much as digits as its factorization.

1021112213301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548101062 (or 548101053 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1021112213301 its reverse (1033122111201), we get a palindrome (2054234324502).

The spelling of 1021112213301 in words is "one trillion, twenty-one billion, one hundred twelve million, two hundred thirteen thousand, three hundred one".