20022100101121 has 2 divisors, whose sum is σ = 20022100101122. Its totient is φ = 20022100101120.

The previous prime is 20022100101109. The next prime is 20022100101131. The reversal of 20022100101121 is 12110100122002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16539155050896 + 3482945050225 = 4066836^2 + 1866265^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022100101121 - 2⁵ = 20022100101089 is a prime.

It is not a weakly prime, because it can be changed into another prime (20022100101131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011050050560 + 10011050050561.

It is an arithmetic number, because the mean of its divisors is an integer number (10011050050561).

Almost surely, 2^{20022100101121} is an apocalyptic number.

It is an amenable number.

20022100101121 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022100101121 is an equidigital number, since it uses as much as digits as its factorization.

20022100101121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20022100101121 its reverse (12110100122002), we get a palindrome (32132200223123).

The spelling of 20022100101121 in words is "twenty trillion, twenty-two billion, one hundred million, one hundred one thousand, one hundred twenty-one".