921210030022 has 8 divisors (see below), whose sum is σ = 1381854452400. Its totient is φ = 460591879224.

The previous prime is 921210030017. The next prime is 921210030061. The reversal of 921210030022 is 220030012129.

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 = 921210029975 and 921210030002.

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, 6479997 + ... + 6620632.

It is an arithmetic number, because the mean of its divisors is an integer number (172731806550).

Almost surely, 2^921210030022 is an apocalyptic number.

921210030022 is a deficient number, since it is larger than the sum of its proper divisors (460644422378).

921210030022 is a wasteful number, since it uses less digits than its factorization.

921210030022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13135790.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 921210030022 in words is "nine hundred twenty-one billion, two hundred ten million, thirty thousand, twenty-two".