2111021012201 has 2 divisors, whose sum is σ = 2111021012202. Its totient is φ = 2111021012200.

The previous prime is 2111021012143. The next prime is 2111021012213. The reversal of 2111021012201 is 1022101201112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1727513293801 + 383507718400 = 1314349^2 + 619280^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111021012201 - 2³⁰ = 2109947270377 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111021002201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055510506100 + 1055510506101.

It is an arithmetic number, because the mean of its divisors is an integer number (1055510506101).

Almost surely, 2^{2111021012201} is an apocalyptic number.

It is an amenable number.

2111021012201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111021012201 is an equidigital number, since it uses as much as digits as its factorization.

2111021012201 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 14.

Adding to 2111021012201 its reverse (1022101201112), we get a palindrome (3133122213313).

The spelling of 2111021012201 in words is "two trillion, one hundred eleven billion, twenty-one million, twelve thousand, two hundred one".