2111021030953 has 2 divisors, whose sum is σ = 2111021030954. Its totient is φ = 2111021030952.

The previous prime is 2111021030947. The next prime is 2111021031103. The reversal of 2111021030953 is 3590301201112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1374971998464 + 736049032489 = 1172592^2 + 857933^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111021030953 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111021030353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055510515476 + 1055510515477.

It is an arithmetic number, because the mean of its divisors is an integer number (1055510515477).

Almost surely, 2^{2111021030953} is an apocalyptic number.

It is an amenable number.

2111021030953 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111021030953 is an equidigital number, since it uses as much as digits as its factorization.

2111021030953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The spelling of 2111021030953 in words is "two trillion, one hundred eleven billion, twenty-one million, thirty thousand, nine hundred fifty-three".