121020111100196 has 96 divisors (see below), whose sum is σ = 266407941848832. Its totient is φ = 46730258173440.

The previous prime is 121020111100177. The next prime is 121020111100201. The reversal of 121020111100196 is 691001111020121.

It is a super-3 number, since 3×121020111100196³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13308650 + ... + 20473406.

It is an arithmetic number, because the mean of its divisors is an integer number (2775082727592).

Almost surely, 2^{121020111100196} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121020111100196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133203970924416).

121020111100196 is an abundant number, since it is smaller than the sum of its proper divisors (145387830748636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121020111100196 is a wasteful number, since it uses less digits than its factorization.

121020111100196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7165269 (or 7165267 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 26.

The spelling of 121020111100196 in words is "one hundred twenty-one trillion, twenty billion, one hundred eleven million, one hundred thousand, one hundred ninety-six".