2026512121 has 2 divisors, whose sum is σ = 2026512122. Its totient is φ = 2026512120.

The previous prime is 2026512107. The next prime is 2026512133. The reversal of 2026512121 is 1212156202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1982475625 + 44036496 = 44525^2 + 6636^2 .

It is a cyclic number.

It is not a de Polignac number, because 2026512121 - 2¹⁹ = 2025987833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2026512092 and 2026512101.

It is not a weakly prime, because it can be changed into another prime (2026512161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013256060 + 1013256061.

It is an arithmetic number, because the mean of its divisors is an integer number (1013256061).

Almost surely, 2^2026512121 is an apocalyptic number.

It is an amenable number.

2026512121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2026512121 is an equidigital number, since it uses as much as digits as its factorization.

2026512121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2026512121 is about 45016.7982091130. The cubic root of 2026512121 is about 1265.4638263293.

Adding to 2026512121 its reverse (1212156202), we get a palindrome (3238668323).

The spelling of 2026512121 in words is "two billion, twenty-six million, five hundred twelve thousand, one hundred twenty-one".