1021102111113 has 16 divisors (see below), whose sum is σ = 1555986042240. Its totient is φ = 583479075456.

The previous prime is 1021102111111. The next prime is 1021102111153. The reversal of 1021102111113 is 3111112011201.

It is not a de Polignac number, because 1021102111113 - 2¹ = 1021102111111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021102111092 and 1021102111101.

It is not an unprimeable number, because it can be changed into a prime (1021102111111) 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, 1513023 + ... + 2081211.

It is an arithmetic number, because the mean of its divisors is an integer number (97249127640).

Almost surely, 2^{1021102111113} is an apocalyptic number.

It is an amenable number.

1021102111113 is a deficient number, since it is larger than the sum of its proper divisors (534883931127).

1021102111113 is an equidigital number, since it uses as much as digits as its factorization.

1021102111113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653776.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1021102111113 its reverse (3111112011201), we get a palindrome (4132214122314).

The spelling of 1021102111113 in words is "one trillion, twenty-one billion, one hundred two million, one hundred eleven thousand, one hundred thirteen".