2011210998 has 64 divisors (see below), whose sum is σ = 4247147520. Its totient is φ = 634217472.

The previous prime is 2011210997. The next prime is 2011211117. The reversal of 2011210998 is 8990121102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011210997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1269715 + ... + 1271297.

It is an arithmetic number, because the mean of its divisors is an integer number (66361680).

Almost surely, 2^2011210998 is an apocalyptic number.

2011210998 is an abundant number, since it is smaller than the sum of its proper divisors (2235936522).

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

2011210998 is a wasteful number, since it uses less digits than its factorization.

2011210998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781.

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 2011210998 is about 44846.5271565146. The cubic root of 2011210998 is about 1262.2708268531.

The spelling of 2011210998 in words is "two billion, eleven million, two hundred ten thousand, nine hundred ninety-eight".