212020011012111 has 8 divisors (see below), whose sum is σ = 282693551441664. Its totient is φ = 141346572295320.

The previous prime is 212020011012107. The next prime is 212020011012223. The reversal of 212020011012111 is 111210110020212.

It is a happy number.

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

It is not a de Polignac number, because 212020011012111 - 2² = 212020011012107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020011012811) 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, 20423655 + ... + 29002856.

It is an arithmetic number, because the mean of its divisors is an integer number (35336693930208).

Almost surely, 2^{212020011012111} is an apocalyptic number.

212020011012111 is a deficient number, since it is larger than the sum of its proper divisors (70673540429553).

212020011012111 is a wasteful number, since it uses less digits than its factorization.

212020011012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50856381.

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

Adding to 212020011012111 its reverse (111210110020212), we get a palindrome (323230121032323).

The spelling of 212020011012111 in words is "two hundred twelve trillion, twenty billion, eleven million, twelve thousand, one hundred eleven".