1021112201013 has 16 divisors (see below), whose sum is σ = 1449534655296. Its totient is φ = 637158078720.

The previous prime is 1021112201009. The next prime is 1021112201027. The reversal of 1021112201013 is 3101022111201.

It is not a de Polignac number, because 1021112201013 - 2² = 1021112201009 is a prime.

It is a super-2 number, since 2×1021112201013² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021112200983 and 1021112201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021112201003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55299631 + ... + 55318092.

It is an arithmetic number, because the mean of its divisors is an integer number (90595915956).

Almost surely, 2^{1021112201013} is an apocalyptic number.

It is an amenable number.

1021112201013 is a deficient number, since it is larger than the sum of its proper divisors (428422454283).

1021112201013 is a wasteful number, since it uses less digits than its factorization.

1021112201013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110617924.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1021112201013 its reverse (3101022111201), we get a palindrome (4122134312214).

The spelling of 1021112201013 in words is "one trillion, twenty-one billion, one hundred twelve million, two hundred one thousand, thirteen".