1321662142110 has 32 divisors (see below), whose sum is σ = 3172336049952. Its totient is φ = 352404692480.

The previous prime is 1321662142091. The next prime is 1321662142117. The reversal of 1321662142110 is 112412661231.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321662142117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2129679 + ... + 2679338.

It is an arithmetic number, because the mean of its divisors is an integer number (99135501561).

Almost surely, 2^{1321662142110} is an apocalyptic number.

1321662142110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321662142110 is an abundant number, since it is smaller than the sum of its proper divisors (1850673907842).

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

1321662142110 is a wasteful number, since it uses less digits than its factorization.

1321662142110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4818188.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 1321662142110 in words is "one trillion, three hundred twenty-one billion, six hundred sixty-two million, one hundred forty-two thousand, one hundred ten".