1021022101423 has 2 divisors, whose sum is σ = 1021022101424. Its totient is φ = 1021022101422.

The previous prime is 1021022101399. The next prime is 1021022101483. The reversal of 1021022101423 is 3241012201201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021022101423 - 2⁵ = 1021022101391 is a prime.

It is a super-2 number, since 2×1021022101423² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1021022101423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021022101483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510511050711 + 510511050712.

It is an arithmetic number, because the mean of its divisors is an integer number (510511050712).

Almost surely, 2^{1021022101423} is an apocalyptic number.

1021022101423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021022101423 is an equidigital number, since it uses as much as digits as its factorization.

1021022101423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1021022101423 its reverse (3241012201201), we get a palindrome (4262034302624).

The spelling of 1021022101423 in words is "one trillion, twenty-one billion, twenty-two million, one hundred one thousand, four hundred twenty-three".