211010140230 has 32 divisors (see below), whose sum is σ = 536214004704. Its totient is φ = 52959407616.

The previous prime is 211010140223. The next prime is 211010140249. The reversal of 211010140230 is 32041010112.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206872177 + ... + 206873196.

It is an arithmetic number, because the mean of its divisors is an integer number (16756687647).

Almost surely, 2^211010140230 is an apocalyptic number.

211010140230 is an abundant number, since it is smaller than the sum of its proper divisors (325203864474).

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

211010140230 is a wasteful number, since it uses less digits than its factorization.

211010140230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413745400.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 211010140230 its reverse (32041010112), we get a palindrome (243051150342).

The spelling of 211010140230 in words is "two hundred eleven billion, ten million, one hundred forty thousand, two hundred thirty".