1011011212102 has 4 divisors (see below), whose sum is σ = 1516516818156. Its totient is φ = 505505606050.

The previous prime is 1011011212087. The next prime is 1011011212103. The reversal of 1011011212102 is 2012121101101.

It is a happy number.

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 (1011011212103) by changing a digit.

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 as a sum of consecutive naturals, namely, 252752803024 + ... + 252752803027.

It is an arithmetic number, because the mean of its divisors is an integer number (379129204539).

Almost surely, 2^{1011011212102} is an apocalyptic number.

1011011212102 is a deficient number, since it is larger than the sum of its proper divisors (505505606054).

1011011212102 is an equidigital number, since it uses as much as digits as its factorization.

1011011212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505505606053.

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

Adding to 1011011212102 its reverse (2012121101101), we get a palindrome (3023132313203).

The spelling of 1011011212102 in words is "one trillion, eleven billion, eleven million, two hundred twelve thousand, one hundred two".