1001020213111 has 8 divisors (see below), whose sum is σ = 1015245165600. Its totient is φ = 986798762880.

The previous prime is 1001020213079. The next prime is 1001020213117. The reversal of 1001020213111 is 1113120201001.

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 1001020213111 - 2⁵ = 1001020213079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001020213091 and 1001020213100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001020213117) 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, 297166 + ... + 1445803.

It is an arithmetic number, because the mean of its divisors is an integer number (126905645700).

Almost surely, 2^{1001020213111} is an apocalyptic number.

1001020213111 is a deficient number, since it is larger than the sum of its proper divisors (14224952489).

1001020213111 is an equidigital number, since it uses as much as digits as its factorization.

1001020213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751129.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1001020213111 its reverse (1113120201001), we get a palindrome (2114140414112).

The spelling of 1001020213111 in words is "one trillion, one billion, twenty million, two hundred thirteen thousand, one hundred eleven".