2111211020101 has 8 divisors (see below), whose sum is σ = 2226037464000. Its totient is φ = 1996755583680.

The previous prime is 2111211020099. The next prime is 2111211020153. The reversal of 2111211020101 is 1010201121112.

It is a happy number.

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 2111211020101 - 2¹ = 2111211020099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111211020161) 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, 92740180 + ... + 92762941.

It is an arithmetic number, because the mean of its divisors is an integer number (278254683000).

Almost surely, 2^{2111211020101} is an apocalyptic number.

It is an amenable number.

2111211020101 is a deficient number, since it is larger than the sum of its proper divisors (114826443899).

2111211020101 is a wasteful number, since it uses less digits than its factorization.

2111211020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185503739.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2111211020101 its reverse (1010201121112), we get a palindrome (3121412141213).

The spelling of 2111211020101 in words is "two trillion, one hundred eleven billion, two hundred eleven million, twenty thousand, one hundred one".