1400221340211 has 4 divisors (see below), whose sum is σ = 1866961786952. Its totient is φ = 933480893472.

The previous prime is 1400221340113. The next prime is 1400221340233. The reversal of 1400221340211 is 1120431220041.

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

It is not a de Polignac number, because 1400221340211 - 2²⁵ = 1400187785779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400221340611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233370223366 + ... + 233370223371.

It is an arithmetic number, because the mean of its divisors is an integer number (466740446738).

Almost surely, 2^{1400221340211} is an apocalyptic number.

1400221340211 is a deficient number, since it is larger than the sum of its proper divisors (466740446741).

1400221340211 is an equidigital number, since it uses as much as digits as its factorization.

1400221340211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466740446740.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1400221340211 its reverse (1120431220041), we get a palindrome (2520652560252).

The spelling of 1400221340211 in words is "one trillion, four hundred billion, two hundred twenty-one million, three hundred forty thousand, two hundred eleven".