21103140232202 has 16 divisors (see below), whose sum is σ = 36224350362432. Its totient is φ = 9032318322720.

The previous prime is 21103140232121. The next prime is 21103140232231. The reversal of 21103140232202 is 20223204130112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990375128 + ... + 990396435.

It is an arithmetic number, because the mean of its divisors is an integer number (2264021897652).

Almost surely, 2^{21103140232202} is an apocalyptic number.

21103140232202 is a deficient number, since it is larger than the sum of its proper divisors (15121210130230).

21103140232202 is a wasteful number, since it uses less digits than its factorization.

21103140232202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980772333.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21103140232202 its reverse (20223204130112), we get a palindrome (41326344362314).

The spelling of 21103140232202 in words is "twenty-one trillion, one hundred three billion, one hundred forty million, two hundred thirty-two thousand, two hundred two".