210119147780 has 12 divisors (see below), whose sum is σ = 441250210380. Its totient is φ = 84047659104.

The previous prime is 210119147779. The next prime is 210119147801. The reversal of 210119147780 is 87741911012.

It can be written as a sum of positive squares in 2 ways, for example, as 162375149764 + 47743998016 = 402958^2 + 218504^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5252978675 + ... + 5252978714.

It is an arithmetic number, because the mean of its divisors is an integer number (36770850865).

Almost surely, 2^210119147780 is an apocalyptic number.

210119147780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210119147780 is an abundant number, since it is smaller than the sum of its proper divisors (231131062600).

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

210119147780 is a wasteful number, since it uses less digits than its factorization.

210119147780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10505957398 (or 10505957396 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 41.

The spelling of 210119147780 in words is "two hundred ten billion, one hundred nineteen million, one hundred forty-seven thousand, seven hundred eighty".