1021453401105 has 12 divisors (see below), whose sum is σ = 1770519228660. Its totient is φ = 544775147232.

The previous prime is 1021453401053. The next prime is 1021453401113. The reversal of 1021453401105 is 5011043541201.

1021453401105 is a `hidden beast` number, since 1 + 0 + 2 + 14 + 534 + 0 + 110 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 320346944064 + 701106457041 = 565992^2 + 837321^2 .

It is not a de Polignac number, because 1021453401105 - 2¹³ = 1021453392913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11349482190 + ... + 11349482279.

It is an arithmetic number, because the mean of its divisors is an integer number (147543269055).

Almost surely, 2^{1021453401105} is an apocalyptic number.

1021453401105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1021453401105 is a deficient number, since it is larger than the sum of its proper divisors (749065827555).

1021453401105 is a wasteful number, since it uses less digits than its factorization.

1021453401105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22698964480 (or 22698964477 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 1021453401105 its reverse (5011043541201), we get a palindrome (6032496942306).

The spelling of 1021453401105 in words is "one trillion, twenty-one billion, four hundred fifty-three million, four hundred one thousand, one hundred five".