121301012111130 has 128 divisors (see below), whose sum is σ = 337582494167040. Its totient is φ = 30936034071360.

The previous prime is 121301012111119. The next prime is 121301012111131. The reversal of 121301012111130 is 31111210103121.

121301012111130 is a `hidden beast` number, since 1 + 21 + 301 + 0 + 1 + 211 + 1 + 130 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (121301012111131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41247489 + ... + 44090331.

It is an arithmetic number, because the mean of its divisors is an integer number (2637363235680).

Almost surely, 2^{121301012111130} is an apocalyptic number.

121301012111130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121301012111130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168791247083520).

121301012111130 is an abundant number, since it is smaller than the sum of its proper divisors (216281482055910).

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

121301012111130 is a wasteful number, since it uses less digits than its factorization.

121301012111130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849753 (or 2849747 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 121301012111130 its reverse (31111210103121), we get a palindrome (152412222214251).

The spelling of 121301012111130 in words is "one hundred twenty-one trillion, three hundred one billion, twelve million, one hundred eleven thousand, one hundred thirty".