1021230103451 has 4 divisors (see below), whose sum is σ = 1021241291832. Its totient is φ = 1021218915072.

The previous prime is 1021230103303. The next prime is 1021230103457. The reversal of 1021230103451 is 1543010321201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021230103451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021230103457) 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, 5456141 + ... + 5640206.

It is an arithmetic number, because the mean of its divisors is an integer number (255310322958).

Almost surely, 2^{1021230103451} is an apocalyptic number.

1021230103451 is a deficient number, since it is larger than the sum of its proper divisors (11188381).

1021230103451 is an equidigital number, since it uses as much as digits as its factorization.

1021230103451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11188380.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 1021230103451 its reverse (1543010321201), we get a palindrome (2564240424652).

The spelling of 1021230103451 in words is "one trillion, twenty-one billion, two hundred thirty million, one hundred three thousand, four hundred fifty-one".