121201102001210 has 48 divisors (see below), whose sum is σ = 274054723221888. Its totient is φ = 37776966854880.

The previous prime is 121201102001209. The next prime is 121201102001263. The reversal of 121201102001210 is 12100201102121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7154720102 + ... + 7154737041.

It is an arithmetic number, because the mean of its divisors is an integer number (5709473400456).

Almost surely, 2^{121201102001210} is an apocalyptic number.

121201102001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121201102001210 is an abundant number, since it is smaller than the sum of its proper divisors (152853621220678).

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

121201102001210 is a wasteful number, since it uses less digits than its factorization.

121201102001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14309457179 (or 14309457168 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121201102001210 its reverse (12100201102121), we get a palindrome (133301303103331).

The spelling of 121201102001210 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred two million, one thousand, two hundred ten".