1351221003354 has 64 divisors (see below), whose sum is σ = 2777150638080. Its totient is φ = 438148180800.

The previous prime is 1351221003343. The next prime is 1351221003401. The reversal of 1351221003354 is 4533001221531.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14819304 + ... + 14910204.

It is an arithmetic number, because the mean of its divisors is an integer number (43392978720).

Almost surely, 2^{1351221003354} is an apocalyptic number.

1351221003354 is an abundant number, since it is smaller than the sum of its proper divisors (1425929634726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1351221003354 is a wasteful number, since it uses less digits than its factorization.

1351221003354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91435.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 1351221003354 its reverse (4533001221531), we get a palindrome (5884222224885).

The spelling of 1351221003354 in words is "one trillion, three hundred fifty-one billion, two hundred twenty-one million, three thousand, three hundred fifty-four".