111021102100102 has 32 divisors (see below), whose sum is σ = 167082202690560. Its totient is φ = 55327374829440.

The previous prime is 111021102100079. The next prime is 111021102100211. The reversal of 111021102100102 is 201001201120111.

It is a happy number.

It is a super-2 number, since 2×111021102100102² (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, 2818991103 + ... + 2819030485.

It is an arithmetic number, because the mean of its divisors is an integer number (5221318834080).

Almost surely, 2^{111021102100102} is an apocalyptic number.

111021102100102 is a deficient number, since it is larger than the sum of its proper divisors (56061100590458).

111021102100102 is a wasteful number, since it uses less digits than its factorization.

111021102100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43588.

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

Adding to 111021102100102 its reverse (201001201120111), we get a palindrome (312022303220213).

The spelling of 111021102100102 in words is "one hundred eleven trillion, twenty-one billion, one hundred two million, one hundred thousand, one hundred two".