20120222011011 has 8 divisors (see below), whose sum is σ = 26887520160960. Its totient is φ = 13383202600872.

The previous prime is 20120222010991. The next prime is 20120222011031. The reversal of 20120222011011 is 11011022202102.

It is an interprime number because it is at equal distance from previous prime (20120222010991) and next prime (20120222011031).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20120222011011 - 2⁷ = 20120222010883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20120222011031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7569683401 + ... + 7569686058.

It is an arithmetic number, because the mean of its divisors is an integer number (3360940020120).

Almost surely, 2^{20120222011011} is an apocalyptic number.

20120222011011 is a deficient number, since it is larger than the sum of its proper divisors (6767298149949).

20120222011011 is a wasteful number, since it uses less digits than its factorization.

20120222011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15139369905.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20120222011011 its reverse (11011022202102), we get a palindrome (31131244213113).

The spelling of 20120222011011 in words is "twenty trillion, one hundred twenty billion, two hundred twenty-two million, eleven thousand, eleven".