211210100030 has 32 divisors (see below), whose sum is σ = 387117843840. Its totient is φ = 82953711360.

The previous prime is 211210100029. The next prime is 211210100063. The reversal of 211210100030 is 30001012112.

211210100030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211210099984 and 211210100020.

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, 595559 + ... + 881538.

It is an arithmetic number, because the mean of its divisors is an integer number (12097432620).

Almost surely, 2^211210100030 is an apocalyptic number.

211210100030 is a deficient number, since it is larger than the sum of its proper divisors (175907743810).

211210100030 is a wasteful number, since it uses less digits than its factorization.

211210100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477364.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 211210100030 its reverse (30001012112), we get a palindrome (241211112142).

The spelling of 211210100030 in words is "two hundred eleven billion, two hundred ten million, one hundred thousand, thirty".