20121101121002 has 32 divisors (see below), whose sum is σ = 37560779913600. Its totient is φ = 7887763775808.

The previous prime is 20121101120999. The next prime is 20121101121067. The reversal of 20121101121002 is 20012110112102.

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 15 ways as a sum of consecutive naturals, for example, 1304186033 + ... + 1304201460.

It is an arithmetic number, because the mean of its divisors is an integer number (1173774372300).

Almost surely, 2^{20121101121002} is an apocalyptic number.

20121101121002 is a deficient number, since it is larger than the sum of its proper divisors (17439678792598).

20121101121002 is a wasteful number, since it uses less digits than its factorization.

20121101121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608387550.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20121101121002 its reverse (20012110112102), we get a palindrome (40133211233104).

It can be divided in two parts, 2012110112100 and 2, that added together give a palindrome (2012110112102).

The spelling of 20121101121002 in words is "twenty trillion, one hundred twenty-one billion, one hundred one million, one hundred twenty-one thousand, two".