30021012110100 has 216 divisors, whose sum is σ = 95603674098240. Its totient is φ = 7268019404800.

The previous prime is 30021012110099. The next prime is 30021012110119. The reversal of 30021012110100 is 101121012003.

It is a super-2 number, since 2×30021012110100² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 26414356 + ... + 27527444.

Almost surely, 2^{30021012110100} is an apocalyptic number.

30021012110100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30021012110100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47801837049120).

30021012110100 is an abundant number, since it is smaller than the sum of its proper divisors (65582661988140).

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

30021012110100 is a wasteful number, since it uses less digits than its factorization.

30021012110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113871 (or 1113853 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 30021012110100 its reverse (101121012003), we get a palindrome (30122133122103).

The spelling of 30021012110100 in words is "thirty trillion, twenty-one billion, twelve million, one hundred ten thousand, one hundred".