1400021112002 has 8 divisors (see below), whose sum is σ = 2100067239996. Its totient is φ = 699998698672.

The previous prime is 1400021111971. The next prime is 1400021112073. The reversal of 1400021112002 is 2002111200041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1318710019201 + 81311092801 = 1148351^2 + 285151^2 .

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

It is a super-2 number, since 2×1400021112002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5780333 + ... + 6017664.

Almost surely, 2^{1400021112002} is an apocalyptic number.

1400021112002 is a deficient number, since it is larger than the sum of its proper divisors (700046127994).

1400021112002 is a wasteful number, since it uses less digits than its factorization.

1400021112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11857332.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1400021112002 its reverse (2002111200041), we get a palindrome (3402132312043).

The spelling of 1400021112002 in words is "one trillion, four hundred billion, twenty-one million, one hundred twelve thousand, two".