211110010212121 has 8 divisors (see below), whose sum is σ = 222280149088800. Its totient is φ = 199945779906240.

The previous prime is 211110010212107. The next prime is 211110010212131. The reversal of 211110010212121 is 121212010011112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211110010212121 - 2⁹ = 211110010211609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211110010212095 and 211110010212104.

It is not an unprimeable number, because it can be changed into a prime (211110010212131) 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, 1477069351 + ... + 1477212268.

It is an arithmetic number, because the mean of its divisors is an integer number (27785018636100).

Almost surely, 2^{211110010212121} is an apocalyptic number.

It is an amenable number.

211110010212121 is a deficient number, since it is larger than the sum of its proper divisors (11170138876679).

211110010212121 is a wasteful number, since it uses less digits than its factorization.

211110010212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954285399.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 211110010212121 its reverse (121212010011112), we get a palindrome (332322020223233).

The spelling of 211110010212121 in words is "two hundred eleven trillion, one hundred ten billion, ten million, two hundred twelve thousand, one hundred twenty-one".