1111020102101 has 32 divisors (see below), whose sum is σ = 1447953470208. Its totient is φ = 827278248960.

The previous prime is 1111020102083. The next prime is 1111020102103. The reversal of 1111020102101 is 1012010201111.

It is a cyclic number.

It is not a de Polignac number, because 1111020102101 - 2¹⁰ = 1111020101077 is a prime.

It is a super-2 number, since 2×1111020102101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111020102103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38912891 + ... + 38941431.

It is an arithmetic number, because the mean of its divisors is an integer number (45248545944).

Almost surely, 2^{1111020102101} is an apocalyptic number.

It is an amenable number.

1111020102101 is a deficient number, since it is larger than the sum of its proper divisors (336933368107).

1111020102101 is a wasteful number, since it uses less digits than its factorization.

1111020102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53741.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1111020102101 its reverse (1012010201111), we get a palindrome (2123030303212).

It can be divided in two parts, 1111020 and 102101, that added together give a palindrome (1213121).

The spelling of 1111020102101 in words is "one trillion, one hundred eleven billion, twenty million, one hundred two thousand, one hundred one".