1340420222001 has 64 divisors (see below), whose sum is σ = 2258146418688. Its totient is φ = 689120560128.

The previous prime is 1340420221993. The next prime is 1340420222021. The reversal of 1340420222001 is 1002220240431.

It is not a de Polignac number, because 1340420222001 - 2³ = 1340420221993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1340420222021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13193740 + ... + 13294946.

It is an arithmetic number, because the mean of its divisors is an integer number (35283537792).

Almost surely, 2^{1340420222001} is an apocalyptic number.

It is an amenable number.

1340420222001 is a deficient number, since it is larger than the sum of its proper divisors (917726196687).

1340420222001 is a wasteful number, since it uses less digits than its factorization.

1340420222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102870.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1340420222001 its reverse (1002220240431), we get a palindrome (2342640462432).

The spelling of 1340420222001 in words is "one trillion, three hundred forty billion, four hundred twenty million, two hundred twenty-two thousand, one".