211420244030 has 32 divisors (see below), whose sum is σ = 382325239296. Its totient is φ = 84175797024.

The previous prime is 211420244027. The next prime is 211420244033. The reversal of 211420244030 is 30442024112.

It is an interprime number because it is at equal distance from previous prime (211420244027) and next prime (211420244033).

It is a junction number, because it is equal to n+sod(n) for n = 211420243987 and 211420244005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211420244033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2184527 + ... + 2279253.

It is an arithmetic number, because the mean of its divisors is an integer number (11947663728).

Almost surely, 2^211420244030 is an apocalyptic number.

211420244030 is a deficient number, since it is larger than the sum of its proper divisors (170904995266).

211420244030 is a wasteful number, since it uses less digits than its factorization.

211420244030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95768.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 211420244030 its reverse (30442024112), we get a palindrome (241862268142).

The spelling of 211420244030 in words is "two hundred eleven billion, four hundred twenty million, two hundred forty-four thousand, thirty".