1421105641162 has 4 divisors (see below), whose sum is σ = 2131658461746. Its totient is φ = 710552820580.

The previous prime is 1421105641037. The next prime is 1421105641283. The reversal of 1421105641162 is 2611465011241.

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

It can be written as a sum of positive squares in only one way, i.e., 1081040552361 + 340065088801 = 1039731^2 + 583151^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355276410289 + ... + 355276410292.

Almost surely, 2^{1421105641162} is an apocalyptic number.

1421105641162 is a deficient number, since it is larger than the sum of its proper divisors (710552820584).

1421105641162 is an equidigital number, since it uses as much as digits as its factorization.

1421105641162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710552820583.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 1421105641162 in words is "one trillion, four hundred twenty-one billion, one hundred five million, six hundred forty-one thousand, one hundred sixty-two".