211201030 has 16 divisors (see below), whose sum is σ = 402524640. Its totient is φ = 79510912.

The previous prime is 211201007. The next prime is 211201031. The reversal of 211201030 is 30102112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 211200998 and 211201016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211201031) 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, 621010 + ... + 621349.

It is an arithmetic number, because the mean of its divisors is an integer number (25157790).

Almost surely, 2^211201030 is an apocalyptic number.

211201030 is a deficient number, since it is larger than the sum of its proper divisors (191323610).

211201030 is a wasteful number, since it uses less digits than its factorization.

211201030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242383.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 211201030 is about 14532.7571368959. The cubic root of 211201030 is about 595.5231892795.

Adding to 211201030 its reverse (30102112), we get a palindrome (241303142).

The spelling of 211201030 in words is "two hundred eleven million, two hundred one thousand, thirty".