111010211101102 has 4 divisors (see below), whose sum is σ = 166515316651656. Its totient is φ = 55505105550550.

The previous prime is 111010211101081. The next prime is 111010211101133. The reversal of 111010211101102 is 201101112010111.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×111010211101102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752552775274 + ... + 27752552775277.

It is an arithmetic number, because the mean of its divisors is an integer number (41628829162914).

Almost surely, 2^{111010211101102} is an apocalyptic number.

111010211101102 is a deficient number, since it is larger than the sum of its proper divisors (55505105550554).

111010211101102 is an equidigital number, since it uses as much as digits as its factorization.

111010211101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55505105550553.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111010211101102 its reverse (201101112010111), we get a palindrome (312111323111213).

Subtracting 111010211101102 from its reverse (201101112010111), we obtain a palindrome (90090900909009).

It can be divided in two parts, 111010 and 211101102, that added together give a palindrome (211212112).

The spelling of 111010211101102 in words is "one hundred eleven trillion, ten billion, two hundred eleven million, one hundred one thousand, one hundred two".