1210121101201 has 8 divisors (see below), whose sum is σ = 1230652765440. Its totient is φ = 1189590141648.

The previous prime is 1210121101153. The next prime is 1210121101207. The reversal of 1210121101201 is 1021011210121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1210121101201 - 2³¹ = 1207973617553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210121101207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4202880 + ... + 4481566.

It is an arithmetic number, because the mean of its divisors is an integer number (153831595680).

Almost surely, 2^{1210121101201} is an apocalyptic number.

It is an amenable number.

1210121101201 is a deficient number, since it is larger than the sum of its proper divisors (20531664239).

1210121101201 is an equidigital number, since it uses as much as digits as its factorization.

1210121101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352343.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1210121101201 its reverse (1021011210121), we get a palindrome (2231132311322).

The spelling of 1210121101201 in words is "one trillion, two hundred ten billion, one hundred twenty-one million, one hundred one thousand, two hundred one".