211101122320012 has 12 divisors (see below), whose sum is σ = 375688438027560. Its totient is φ = 103761568597856.

The previous prime is 211101122320007. The next prime is 211101122320031. The reversal of 211101122320012 is 210023221101112.

It is a super-4 number, since 4×211101122320012⁴ (a number of 58 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447248140273 + ... + 447248140744.

It is an arithmetic number, because the mean of its divisors is an integer number (31307369835630).

Almost surely, 2^{211101122320012} is an apocalyptic number.

It is an amenable number.

211101122320012 is a deficient number, since it is larger than the sum of its proper divisors (164587315707548).

211101122320012 is a wasteful number, since it uses less digits than its factorization.

211101122320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894496281080 (or 894496281078 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 211101122320012 its reverse (210023221101112), we get a palindrome (421124343421124).

The spelling of 211101122320012 in words is "two hundred eleven trillion, one hundred one billion, one hundred twenty-two million, three hundred twenty thousand, twelve".