1403213021121 has 8 divisors (see below), whose sum is σ = 1870957026880. Its totient is φ = 935472181392.

The previous prime is 1403213021113. The next prime is 1403213021137. The reversal of 1403213021121 is 1211203123041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1403213021121 - 2³ = 1403213021113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1403213021141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584271 + ... + 1774203.

It is an arithmetic number, because the mean of its divisors is an integer number (233869628360).

Almost surely, 2^{1403213021121} is an apocalyptic number.

It is an amenable number.

1403213021121 is a deficient number, since it is larger than the sum of its proper divisors (467744005759).

1403213021121 is a wasteful number, since it uses less digits than its factorization.

1403213021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583015.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1403213021121 its reverse (1211203123041), we get a palindrome (2614416144162).

The spelling of 1403213021121 in words is "one trillion, four hundred three billion, two hundred thirteen million, twenty-one thousand, one hundred twenty-one".