111020102121100 has 36 divisors (see below), whose sum is σ = 240915643129000. Its totient is φ = 44407668216960.

The previous prime is 111020102121083. The next prime is 111020102121113. The reversal of 111020102121100 is 1121201020111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7476376 + ... + 16671424.

Almost surely, 2^{111020102121100} is an apocalyptic number.

111020102121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020102121100 is an abundant number, since it is smaller than the sum of its proper divisors (129895541007900).

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

111020102121100 is a wasteful number, since it uses less digits than its factorization.

111020102121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9315802 (or 9315795 counting only the distinct ones).

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

Adding to 111020102121100 its reverse (1121201020111), we get a palindrome (112141303141211).

The spelling of 111020102121100 in words is "one hundred eleven trillion, twenty billion, one hundred two million, one hundred twenty-one thousand, one hundred".