211364265442 has 32 divisors (see below), whose sum is σ = 347033890944. Its totient is φ = 95751264000.

The previous prime is 211364265403. The next prime is 211364265487. The reversal of 211364265442 is 244562463112.

It is a junction number, because it is equal to n+sod(n) for n = 211364265395 and 211364265404.

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, 27435363 + ... + 27443065.

It is an arithmetic number, because the mean of its divisors is an integer number (10844809092).

Almost surely, 2^211364265442 is an apocalyptic number.

211364265442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211364265442 is a deficient number, since it is larger than the sum of its proper divisors (135669625502).

211364265442 is a wasteful number, since it uses less digits than its factorization.

211364265442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11754.

The product of its digits is 276480, while the sum is 40.

The spelling of 211364265442 in words is "two hundred eleven billion, three hundred sixty-four million, two hundred sixty-five thousand, four hundred forty-two".