20120002022011 has 4 divisors (see below), whose sum is σ = 20134281655800. Its totient is φ = 20105722388224.

The previous prime is 20120002021967. The next prime is 20120002022023. The reversal of 20120002022011 is 11022020002102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20120002022011 - 2¹¹ = 20120002019963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20120002021982 and 20120002022000.

It is not an unprimeable number, because it can be changed into a prime (20120002026011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7139814781 + ... + 7139817598.

It is an arithmetic number, because the mean of its divisors is an integer number (5033570413950).

Almost surely, 2^{20120002022011} is an apocalyptic number.

20120002022011 is a deficient number, since it is larger than the sum of its proper divisors (14279633789).

20120002022011 is a wasteful number, since it uses less digits than its factorization.

20120002022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14279633788.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20120002022011 its reverse (11022020002102), we get a palindrome (31142022024113).

The spelling of 20120002022011 in words is "twenty trillion, one hundred twenty billion, two million, twenty-two thousand, eleven".