1011200013122 has 32 divisors (see below), whose sum is σ = 1693225175040. Its totient is φ = 449762765760.

The previous prime is 1011200013119. The next prime is 1011200013127. The reversal of 1011200013122 is 2213100021101.

It is a junction number, because it is equal to n+sod(n) for n = 1011200013097 and 1011200013106.

It is not an unprimeable number, because it can be changed into a prime (1011200013127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2432033 + ... + 2817300.

It is an arithmetic number, because the mean of its divisors is an integer number (52913286720).

Almost surely, 2^{1011200013122} is an apocalyptic number.

1011200013122 is a deficient number, since it is larger than the sum of its proper divisors (682025161918).

1011200013122 is a wasteful number, since it uses less digits than its factorization.

1011200013122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5249618.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1011200013122 its reverse (2213100021101), we get a palindrome (3224300034223).

The spelling of 1011200013122 in words is "one trillion, eleven billion, two hundred million, thirteen thousand, one hundred twenty-two".