101011111220012 has 18 divisors (see below), whose sum is σ = 205629762126852. Its totient is φ = 43290476237064.

The previous prime is 101011111220009. The next prime is 101011111220021. The reversal of 101011111220012 is 210022111110101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 257681405978 + ... + 257681406369.

It is an arithmetic number, because the mean of its divisors is an integer number (11423875673714).

Almost surely, 2^{101011111220012} is an apocalyptic number.

It is an amenable number.

101011111220012 is an abundant number, since it is smaller than the sum of its proper divisors (104618650906840).

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

101011111220012 is a wasteful number, since it uses less digits than its factorization.

101011111220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515362812365 (or 515362812356 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101011111220012 its reverse (210022111110101), we get a palindrome (311033222330113).

The spelling of 101011111220012 in words is "one hundred one trillion, eleven billion, one hundred eleven million, two hundred twenty thousand, twelve".