121201000201100 has 36 divisors (see below), whose sum is σ = 263738778231600. Its totient is φ = 48345357168960.

The previous prime is 121201000201091. The next prime is 121201000201129. The reversal of 121201000201100 is 1102000102121.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1688000315 + ... + 1688072114.

It is an arithmetic number, because the mean of its divisors is an integer number (7326077173100).

Almost surely, 2^{121201000201100} is an apocalyptic number.

121201000201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121201000201100 is an abundant number, since it is smaller than the sum of its proper divisors (142537778030500).

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

121201000201100 is a wasteful number, since it uses less digits than its factorization.

121201000201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376072802 (or 3376072795 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121201000201100 its reverse (1102000102121), we get a palindrome (122303000303221).

The spelling of 121201000201100 in words is "one hundred twenty-one trillion, two hundred one billion, two hundred one thousand, one hundred".