1023420412211 has 2 divisors, whose sum is σ = 1023420412212. Its totient is φ = 1023420412210.

The previous prime is 1023420412193. The next prime is 1023420412241. The reversal of 1023420412211 is 1122140243201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023420412211 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023420412241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511710206105 + 511710206106.

It is an arithmetic number, because the mean of its divisors is an integer number (511710206106).

Almost surely, 2^{1023420412211} is an apocalyptic number.

1023420412211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023420412211 is an equidigital number, since it uses as much as digits as its factorization.

1023420412211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1023420412211 its reverse (1122140243201), we get a palindrome (2145560655412).

The spelling of 1023420412211 in words is "one trillion, twenty-three billion, four hundred twenty million, four hundred twelve thousand, two hundred eleven".