1210121111119 has 8 divisors (see below), whose sum is σ = 1263570803712. Its totient is φ = 1156741062840.

The previous prime is 1210121111099. The next prime is 1210121111131. The reversal of 1210121111119 is 9111111210121.

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 1210121111119 - 2⁹ = 1210121110607 is a prime.

It is a super-2 number, since 2×1210121111119² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1210121111119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210121114119) 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, 17375559 + ... + 17445064.

It is an arithmetic number, because the mean of its divisors is an integer number (157946350464).

Almost surely, 2^{1210121111119} is an apocalyptic number.

1210121111119 is a deficient number, since it is larger than the sum of its proper divisors (53449692593).

1210121111119 is a wasteful number, since it uses less digits than its factorization.

1210121111119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34822157.

The product of its (nonzero) digits is 36, while the sum is 22.

The spelling of 1210121111119 in words is "one trillion, two hundred ten billion, one hundred twenty-one million, one hundred eleven thousand, one hundred nineteen".