30002210121942 has 192 divisors, whose sum is σ = 69607747198080. Its totient is φ = 9306615840768.

The previous prime is 30002210121901. The next prime is 30002210121943. The reversal of 30002210121942 is 24912101220003.

30002210121942 is a `hidden beast` number, since 300 + 0 + 2 + 2 + 101 + 219 + 42 = 666.

It is a super-2 number, since 2×30002210121942² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30002210121943) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14039404698 + ... + 14039406834.

It is an arithmetic number, because the mean of its divisors is an integer number (362540349990).

Almost surely, 2^{30002210121942} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30002210121942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34803873599040).

30002210121942 is an abundant number, since it is smaller than the sum of its proper divisors (39605537076138).

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

30002210121942 is a wasteful number, since it uses less digits than its factorization.

30002210121942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655 (or 3652 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 30002210121942 its reverse (24912101220003), we get a palindrome (54914311341945).

The spelling of 30002210121942 in words is "thirty trillion, two billion, two hundred ten million, one hundred twenty-one thousand, nine hundred forty-two".