111111121201102 has 32 divisors (see below), whose sum is σ = 186628516090848. Its totient is φ = 49185250800000.

The previous prime is 111111121201061. The next prime is 111111121201181. The reversal of 111111121201102 is 201102121111111.

It is a super-2 number, since 2×111111121201102² (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 in 15 ways as a sum of consecutive naturals, for example, 409741549 + ... + 410012632.

It is an arithmetic number, because the mean of its divisors is an integer number (5832141127839).

Almost surely, 2^{111111121201102} is an apocalyptic number.

111111121201102 is a deficient number, since it is larger than the sum of its proper divisors (75517394889746).

111111121201102 is a wasteful number, since it uses less digits than its factorization.

111111121201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819754356.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111111121201102 its reverse (201102121111111), we get a palindrome (312213242312213).

The spelling of 111111121201102 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred twenty-one million, two hundred one thousand, one hundred two".