1012111100102 has 4 divisors (see below), whose sum is σ = 1518166650156. Its totient is φ = 506055550050.

The previous prime is 1012111100101. The next prime is 1012111100153. The reversal of 1012111100102 is 2010011112101.

1012111100102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012111100101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253027775024 + ... + 253027775027.

It is an arithmetic number, because the mean of its divisors is an integer number (379541662539).

Almost surely, 2^{1012111100102} is an apocalyptic number.

1012111100102 is a deficient number, since it is larger than the sum of its proper divisors (506055550054).

1012111100102 is an equidigital number, since it uses as much as digits as its factorization.

1012111100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506055550053.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1012111100102 its reverse (2010011112101), we get a palindrome (3022122212203).

The spelling of 1012111100102 in words is "one trillion, twelve billion, one hundred eleven million, one hundred thousand, one hundred two".