1210231002121 has 8 divisors (see below), whose sum is σ = 1212991718400. Its totient is φ = 1207473255600.

The previous prime is 1210231002119. The next prime is 1210231002139. The reversal of 1210231002121 is 1212001320121.

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 1210231002121 - 2¹ = 1210231002119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210231002095 and 1210231002104.

It is not an unprimeable number, because it can be changed into a prime (1210231002521) 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, 74550 + ... + 1557568.

It is an arithmetic number, because the mean of its divisors is an integer number (151623964800).

Almost surely, 2^{1210231002121} is an apocalyptic number.

It is an amenable number.

1210231002121 is a deficient number, since it is larger than the sum of its proper divisors (2760716279).

1210231002121 is a wasteful number, since it uses less digits than its factorization.

1210231002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484879.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1210231002121 its reverse (1212001320121), we get a palindrome (2422232322242).

The spelling of 1210231002121 in words is "one trillion, two hundred ten billion, two hundred thirty-one million, two thousand, one hundred twenty-one".