2102122021229 has 2 divisors, whose sum is σ = 2102122021230. Its totient is φ = 2102122021228.

The previous prime is 2102122021199. The next prime is 2102122021243. The reversal of 2102122021229 is 9221202212012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1307082298729 + 795039722500 = 1143277^2 + 891650^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102122021229 - 2²⁴ = 2102105244013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102122021198 and 2102122021207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102122021729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051061010614 + 1051061010615.

It is an arithmetic number, because the mean of its divisors is an integer number (1051061010615).

Almost surely, 2^{2102122021229} is an apocalyptic number.

It is an amenable number.

2102122021229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102122021229 is an equidigital number, since it uses as much as digits as its factorization.

2102122021229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 2102122021229 in words is "two trillion, one hundred two billion, one hundred twenty-two million, twenty-one thousand, two hundred twenty-nine".