20122013211 has 4 divisors (see below), whose sum is σ = 26829350952. Its totient is φ = 13414675472.

The previous prime is 20122013201. The next prime is 20122013221. The reversal of 20122013211 is 11231022102.

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

It is an interprime number because it is at equal distance from previous prime (20122013201) and next prime (20122013221).

It is a cyclic number.

It is not a de Polignac number, because 20122013211 - 2⁵ = 20122013179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20122013201) 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, 3353668866 + ... + 3353668871.

It is an arithmetic number, because the mean of its divisors is an integer number (6707337738).

Almost surely, 2^20122013211 is an apocalyptic number.

20122013211 is a deficient number, since it is larger than the sum of its proper divisors (6707337741).

20122013211 is an equidigital number, since it uses as much as digits as its factorization.

20122013211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707337740.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20122013211 its reverse (11231022102), we get a palindrome (31353035313).

The spelling of 20122013211 in words is "twenty billion, one hundred twenty-two million, thirteen thousand, two hundred eleven".