1210121214141 has 64 divisors (see below), whose sum is σ = 1955745792000. Its totient is φ = 664485393600.

The previous prime is 1210121214103. The next prime is 1210121214191. The reversal of 1210121214141 is 1414121210121.

It is not a de Polignac number, because 1210121214141 - 2²⁵ = 1210087659709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210121214191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6200356 + ... + 6392546.

It is an arithmetic number, because the mean of its divisors is an integer number (30558528000).

Almost surely, 2^{1210121214141} is an apocalyptic number.

It is an amenable number.

1210121214141 is a deficient number, since it is larger than the sum of its proper divisors (745624577859).

1210121214141 is a wasteful number, since it uses less digits than its factorization.

1210121214141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192455 (or 192441 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 1210121214141 its reverse (1414121210121), we get a palindrome (2624242424262).

The spelling of 1210121214141 in words is "one trillion, two hundred ten billion, one hundred twenty-one million, two hundred fourteen thousand, one hundred forty-one".