21203112032030 has 8 divisors (see below), whose sum is σ = 38165601657672. Its totient is φ = 8481244812808.

The previous prime is 21203112032021. The next prime is 21203112032041. The reversal of 21203112032030 is 3023021130212.

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

It is a junction number, because it is equal to n+sod(n) for n = 21203112031993 and 21203112032011.

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, 1060155601592 + ... + 1060155601611.

It is an arithmetic number, because the mean of its divisors is an integer number (4770700207209).

Almost surely, 2^{21203112032030} is an apocalyptic number.

21203112032030 is a deficient number, since it is larger than the sum of its proper divisors (16962489625642).

21203112032030 is a wasteful number, since it uses less digits than its factorization.

21203112032030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120311203210.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21203112032030 its reverse (3023021130212), we get a palindrome (24226133162242).

The spelling of 21203112032030 in words is "twenty-one trillion, two hundred three billion, one hundred twelve million, thirty-two thousand, thirty".