1000012011102 has 48 divisors (see below), whose sum is σ = 2335257532608. Its totient is φ = 307445958720.

The previous prime is 1000012011091. The next prime is 1000012011127. The reversal of 1000012011102 is 2011102100001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1447753 + ... + 2023860.

It is an arithmetic number, because the mean of its divisors is an integer number (48651198596).

Almost surely, 2^{1000012011102} is an apocalyptic number.

1000012011102 is an abundant number, since it is smaller than the sum of its proper divisors (1335245521506).

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

1000012011102 is a wasteful number, since it uses less digits than its factorization.

1000012011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472865 (or 3472862 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1000012011102 its reverse (2011102100001), we get a palindrome (3011114111103).

It can be divided in two parts, 100001 and 2011102, that multiplied together give a palindrome (201112211102).

The spelling of 1000012011102 in words is "one trillion, twelve million, eleven thousand, one hundred two".