211010201120121 has 8 divisors (see below), whose sum is σ = 302989006736640. Its totient is φ = 129852431458512.

The previous prime is 211010201120113. The next prime is 211010201120129. The reversal of 211010201120121 is 121021102010112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (211010201120113) and next prime (211010201120129).

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

It is not a de Polignac number, because 211010201120121 - 2³ = 211010201120113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211010201120121.

It is not an unprimeable number, because it can be changed into a prime (211010201120129) 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, 2705258988681 + ... + 2705258988758.

It is an arithmetic number, because the mean of its divisors is an integer number (37873625842080).

Almost surely, 2^{211010201120121} is an apocalyptic number.

It is an amenable number.

211010201120121 is a deficient number, since it is larger than the sum of its proper divisors (91978805616519).

211010201120121 is a wasteful number, since it uses less digits than its factorization.

211010201120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410517977455.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211010201120121 its reverse (121021102010112), we get a palindrome (332031303130233).

The spelling of 211010201120121 in words is "two hundred eleven trillion, ten billion, two hundred one million, one hundred twenty thousand, one hundred twenty-one".