210121490058 has 16 divisors (see below), whose sum is σ = 420247525536. Its totient is φ = 70039739120.

The previous prime is 210121490053. The next prime is 210121490071. The reversal of 210121490058 is 850094121012.

It is not an unprimeable number, because it can be changed into a prime (210121490053) 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, 852253 + ... + 1070783.

It is an arithmetic number, because the mean of its divisors is an integer number (26265470346).

Almost surely, 2^210121490058 is an apocalyptic number.

210121490058 is an abundant number, since it is smaller than the sum of its proper divisors (210126035478).

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

210121490058 is a wasteful number, since it uses less digits than its factorization.

210121490058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378789.

The product of its (nonzero) digits is 5760, while the sum is 33.

The spelling of 210121490058 in words is "two hundred ten billion, one hundred twenty-one million, four hundred ninety thousand, fifty-eight".