20122100021311 has 2 divisors, whose sum is σ = 20122100021312. Its totient is φ = 20122100021310.

The previous prime is 20122100021299. The next prime is 20122100021323. The reversal of 20122100021311 is 11312000122102.

It is a balanced prime because it is at equal distance from previous prime (20122100021299) and next prime (20122100021323).

It is a cyclic number.

It is not a de Polignac number, because 20122100021311 - 2⁵ = 20122100021279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122100021341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061050010655 + 10061050010656.

It is an arithmetic number, because the mean of its divisors is an integer number (10061050010656).

Almost surely, 2^{20122100021311} is an apocalyptic number.

20122100021311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122100021311 is an equidigital number, since it uses as much as digits as its factorization.

20122100021311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20122100021311 its reverse (11312000122102), we get a palindrome (31434100143413).

The spelling of 20122100021311 in words is "twenty trillion, one hundred twenty-two billion, one hundred million, twenty-one thousand, three hundred eleven".