102011121111010 has 16 divisors (see below), whose sum is σ = 187084546642296. Its totient is φ = 40034553190528.

The previous prime is 102011121110993. The next prime is 102011121111023. The reversal of 102011121111010 is 10111121110201.

It can be written as a sum of positive squares in 4 ways, for example, as 80810373112681 + 21200747998329 = 8989459^2 + 4604427^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96236906179 + ... + 96236907238.

Almost surely, 2^{102011121111010} is an apocalyptic number.

102011121111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102011121111010 is a deficient number, since it is larger than the sum of its proper divisors (85073425531286).

102011121111010 is a wasteful number, since it uses less digits than its factorization.

102011121111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192473813477.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 102011121111010 its reverse (10111121110201), we get a palindrome (112122242221211).

The spelling of 102011121111010 in words is "one hundred two trillion, eleven billion, one hundred twenty-one million, one hundred eleven thousand, ten".