121010000202 has 384 divisors, whose sum is σ = 356350385664. Its totient is φ = 28772941824.

The previous prime is 121010000143. The next prime is 121010000263. The reversal of 121010000202 is 202000010121.

121010000202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 69029358 + ... + 69031110.

It is an arithmetic number, because the mean of its divisors is an integer number (927995796).

Almost surely, 2^121010000202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121010000202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178175192832).

121010000202 is an abundant number, since it is smaller than the sum of its proper divisors (235340385462).

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

121010000202 is a wasteful number, since it uses less digits than its factorization.

121010000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 121010000202 its reverse (202000010121), we get a palindrome (323010010323).

The spelling of 121010000202 in words is "one hundred twenty-one billion, ten million, two hundred two", and thus it is an aban number.