1210020230121 has 8 divisors (see below), whose sum is σ = 1615238494560. Its totient is φ = 805741059552.

The previous prime is 1210020230063. The next prime is 1210020230137. The reversal of 1210020230121 is 1210320200121.

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

It is not a de Polignac number, because 1210020230121 - 2¹⁴ = 1210020213737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1210020230121.

It is not an unprimeable number, because it can be changed into a prime (1210020230821) 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, 234770460 + ... + 234775613.

It is an arithmetic number, because the mean of its divisors is an integer number (201904811820).

Almost surely, 2^{1210020230121} is an apocalyptic number.

It is an amenable number.

1210020230121 is a deficient number, since it is larger than the sum of its proper divisors (405218264439).

1210020230121 is an equidigital number, since it uses as much as digits as its factorization.

1210020230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469546935.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1210020230121 its reverse (1210320200121), we get a palindrome (2420340430242).

The spelling of 1210020230121 in words is "one trillion, two hundred ten billion, twenty million, two hundred thirty thousand, one hundred twenty-one".