30121201023102 has 48 divisors (see below), whose sum is σ = 74594027489280. Its totient is φ = 8605111698576.

The previous prime is 30121201023097. The next prime is 30121201023119. The reversal of 30121201023102 is 20132010212103.

30121201023102 is a `hidden beast` number, since 30 + 121 + 201 + 0 + 2 + 310 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11983702 + ... + 14277657.

It is an arithmetic number, because the mean of its divisors is an integer number (1554042239360).

Almost surely, 2^{30121201023102} is an apocalyptic number.

30121201023102 is an abundant number, since it is smaller than the sum of its proper divisors (44472826466178).

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

30121201023102 is a wasteful number, since it uses less digits than its factorization.

30121201023102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26270477 (or 26270474 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30121201023102 its reverse (20132010212103), we get a palindrome (50253211235205).

The spelling of 30121201023102 in words is "thirty trillion, one hundred twenty-one billion, two hundred one million, twenty-three thousand, one hundred two".