20120100111002 has 16 divisors (see below), whose sum is σ = 30419944396800. Its totient is φ = 9980129870928.

The previous prime is 20120100110993. The next prime is 20120100111029. The reversal of 20120100111002 is 20011100102102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794603 + ... + 6393089.

It is an arithmetic number, because the mean of its divisors is an integer number (1901246524800).

Almost surely, 2^{20120100111002} is an apocalyptic number.

20120100111002 is a deficient number, since it is larger than the sum of its proper divisors (10299844285798).

20120100111002 is a wasteful number, since it uses less digits than its factorization.

20120100111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612765.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20120100111002 its reverse (20011100102102), we get a palindrome (40131200213104).

The spelling of 20120100111002 in words is "twenty trillion, one hundred twenty billion, one hundred million, one hundred eleven thousand, two".