111021101020102 has 16 divisors (see below), whose sum is σ = 204962032652832. Its totient is φ = 43920435568320.

The previous prime is 111021101020099. The next prime is 111021101020121. The reversal of 111021101020102 is 201020101120111.

It is a happy number.

It is a super-3 number, since 3×111021101020102³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305003024599 + ... + 305003024962.

It is an arithmetic number, because the mean of its divisors is an integer number (12810127040802).

Almost surely, 2^{111021101020102} is an apocalyptic number.

111021101020102 is a deficient number, since it is larger than the sum of its proper divisors (93940931632730).

111021101020102 is a wasteful number, since it uses less digits than its factorization.

111021101020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610006049583.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111021101020102 its reverse (201020101120111), we get a palindrome (312041202140213).

The spelling of 111021101020102 in words is "one hundred eleven trillion, twenty-one billion, one hundred one million, twenty thousand, one hundred two".