1400211142021 has 8 divisors (see below), whose sum is σ = 1404040868864. Its totient is φ = 1396385328240.

The previous prime is 1400211142019. The next prime is 1400211142039. The reversal of 1400211142021 is 1202411120041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1400211142021 - 2¹ = 1400211142019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1400211142021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400211142091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260910 + ... + 1693663.

It is an arithmetic number, because the mean of its divisors is an integer number (175505108608).

Almost surely, 2^{1400211142021} is an apocalyptic number.

It is an amenable number.

1400211142021 is a deficient number, since it is larger than the sum of its proper divisors (3829726843).

1400211142021 is a wasteful number, since it uses less digits than its factorization.

1400211142021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956531.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1400211142021 its reverse (1202411120041), we get a palindrome (2602622262062).

The spelling of 1400211142021 in words is "one trillion, four hundred billion, two hundred eleven million, one hundred forty-two thousand, twenty-one".