20011122111002 has 16 divisors (see below), whose sum is σ = 33506995164192. Its totient is φ = 8884430535120.

The previous prime is 20011122110989. The next prime is 20011122111023.

20011122111002 is nontrivially palindromic in base 10.

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, 10576702073 + ... + 10576703964.

It is an arithmetic number, because the mean of its divisors is an integer number (2094187197762).

Almost surely, 2^{20011122111002} is an apocalyptic number.

20011122111002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20011122111002 is a deficient number, since it is larger than the sum of its proper divisors (13495873053190).

20011122111002 is a wasteful number, since it uses less digits than its factorization.

20011122111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21153406093.

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

It can be divided in two parts, 2001112 and 2111002, that added together give a palindrome (4112114).

The spelling of 20011122111002 in words is "twenty trillion, eleven billion, one hundred twenty-two million, one hundred eleven thousand, two".