2222121101129 has 2 divisors, whose sum is σ = 2222121101130. Its totient is φ = 2222121101128.

The previous prime is 2222121101063. The next prime is 2222121101147. The reversal of 2222121101129 is 9211011212222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1217164975504 + 1004956125625 = 1103252^2 + 1002475^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222121101129 - 2¹² = 2222121097033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2222121101098 and 2222121101107.

It is not a weakly prime, because it can be changed into another prime (2222121106129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111060550564 + 1111060550565.

It is an arithmetic number, because the mean of its divisors is an integer number (1111060550565).

Almost surely, 2^{2222121101129} is an apocalyptic number.

It is an amenable number.

2222121101129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222121101129 is an equidigital number, since it uses as much as digits as its factorization.

2222121101129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 2222121101129 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred one thousand, one hundred twenty-nine".