21031133203102 has 8 divisors (see below), whose sum is σ = 34414581605112. Its totient is φ = 9559606001400.

The previous prime is 21031133203099. The next prime is 21031133203111. The reversal of 21031133203102 is 20130233113012.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 955960600141 = 21031133203102 / (2 + 1 + 0 + 3 + 1 + 1 + 3 + 3 + 2 + 0 + 3 + 1 + 0 + 2).

It is a congruent number.

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, 477980300049 + ... + 477980300092.

It is an arithmetic number, because the mean of its divisors is an integer number (4301822700639).

Almost surely, 2^{21031133203102} is an apocalyptic number.

21031133203102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21031133203102 is a deficient number, since it is larger than the sum of its proper divisors (13383448402010).

21031133203102 is a wasteful number, since it uses less digits than its factorization.

21031133203102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955960600154.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21031133203102 its reverse (20130233113012), we get a palindrome (41161366316114).

The spelling of 21031133203102 in words is "twenty-one trillion, thirty-one billion, one hundred thirty-three million, two hundred three thousand, one hundred two".