20122051411 has 32 divisors (see below), whose sum is σ = 26578644480. Its totient is φ = 14748480000.

The previous prime is 20122051409. The next prime is 20122051489. The reversal of 20122051411 is 11415022102.

It is a cyclic number.

It is not a de Polignac number, because 20122051411 - 2¹ = 20122051409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122021411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2943145 + ... + 2949973.

It is an arithmetic number, because the mean of its divisors is an integer number (830582640).

Almost surely, 2^20122051411 is an apocalyptic number.

20122051411 is a deficient number, since it is larger than the sum of its proper divisors (6456593069).

20122051411 is a wasteful number, since it uses less digits than its factorization.

20122051411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 20122051411 its reverse (11415022102), we get a palindrome (31537073513).

The spelling of 20122051411 in words is "twenty billion, one hundred twenty-two million, fifty-one thousand, four hundred eleven".