1020012101110 has 64 divisors (see below), whose sum is σ = 1986747098112. Its totient is φ = 375576454656.

The previous prime is 1020012101107. The next prime is 1020012101149. The reversal of 1020012101110 is 111012100201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11806129 + ... + 11892211.

It is an arithmetic number, because the mean of its divisors is an integer number (31042923408).

Almost surely, 2^{1020012101110} is an apocalyptic number.

1020012101110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020012101110 is a deficient number, since it is larger than the sum of its proper divisors (966734997002).

1020012101110 is a wasteful number, since it uses less digits than its factorization.

1020012101110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87637.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1020012101110 its reverse (111012100201), we get a palindrome (1131024201311).

Subtracting from 1020012101110 its reverse (111012100201), we obtain a palindrome (909000000909).

The spelling of 1020012101110 in words is "one trillion, twenty billion, twelve million, one hundred one thousand, one hundred ten".