111121011201102 has 96 divisors (see below), whose sum is σ = 264042384519168. Its totient is φ = 31071541685184.

The previous prime is 111121011201091. The next prime is 111121011201107. The reversal of 111121011201102 is 201102110121111.

It is a super-2 number, since 2×111121011201102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111121011201107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 246246243 + ... + 246697089.

It is an arithmetic number, because the mean of its divisors is an integer number (2750441505408).

Almost surely, 2^{111121011201102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111121011201102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132021192259584).

111121011201102 is an abundant number, since it is smaller than the sum of its proper divisors (152921373318066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111121011201102 is a wasteful number, since it uses less digits than its factorization.

111121011201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468750 (or 468743 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111121011201102 its reverse (201102110121111), we get a palindrome (312223121322213).

It can be divided in two parts, 11112101 and 1201102, that added together give a triangular number (12313203 = T₄₉₆₂).

The spelling of 111121011201102 in words is "one hundred eleven trillion, one hundred twenty-one billion, eleven million, two hundred one thousand, one hundred two".