121211020230330 has 64 divisors (see below), whose sum is σ = 300941658460800. Its totient is φ = 31207944687360.

The previous prime is 121211020230329. The next prime is 121211020230337. The reversal of 121211020230330 is 33032020112121.

It is a super-2 number, since 2×121211020230330² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121211020230297 and 121211020230306.

It is not an unprimeable number, because it can be changed into a prime (121211020230337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68367165 + ... + 70117695.

It is an arithmetic number, because the mean of its divisors is an integer number (4702213413450).

Almost surely, 2^{121211020230330} is an apocalyptic number.

121211020230330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121211020230330 is an abundant number, since it is smaller than the sum of its proper divisors (179730638230470).

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

121211020230330 is a wasteful number, since it uses less digits than its factorization.

121211020230330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830159.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121211020230330 its reverse (33032020112121), we get a palindrome (154243040342451).

The spelling of 121211020230330 in words is "one hundred twenty-one trillion, two hundred eleven billion, twenty million, two hundred thirty thousand, three hundred thirty".