1210101421043 has 4 divisors (see below), whose sum is σ = 1230611614680. Its totient is φ = 1189591227408.

The previous prime is 1210101420971. The next prime is 1210101421069. The reversal of 1210101421043 is 3401241010121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1210101421043 - 2²⁴ = 1210084643827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210101421073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10255096730 + ... + 10255096847.

It is an arithmetic number, because the mean of its divisors is an integer number (307652903670).

Almost surely, 2^{1210101421043} is an apocalyptic number.

1210101421043 is a deficient number, since it is larger than the sum of its proper divisors (20510193637).

1210101421043 is an equidigital number, since it uses as much as digits as its factorization.

1210101421043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20510193636.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1210101421043 its reverse (3401241010121), we get a palindrome (4611342431164).

The spelling of 1210101421043 in words is "one trillion, two hundred ten billion, one hundred one million, four hundred twenty-one thousand, forty-three".