33221213010042 has 64 divisors (see below), whose sum is σ = 71570250915840. Its totient is φ = 10250221924800.

The previous prime is 33221213009977. The next prime is 33221213010067. The reversal of 33221213010042 is 24001031212233.

It is a super-2 number, since 2×33221213010042² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33221213009994 and 33221213010021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136693309 + ... + 136936127.

It is an arithmetic number, because the mean of its divisors is an integer number (1118285170560).

Almost surely, 2^{33221213010042} is an apocalyptic number.

33221213010042 is an abundant number, since it is smaller than the sum of its proper divisors (38349037905798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33221213010042 is a wasteful number, since it uses less digits than its factorization.

33221213010042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274859.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 33221213010042 its reverse (24001031212233), we get a palindrome (57222244222275).

The spelling of 33221213010042 in words is "thirty-three trillion, two hundred twenty-one billion, two hundred thirteen million, ten thousand, forty-two".