211122010020101 has 4 divisors (see below), whose sum is σ = 211137078338304. Its totient is φ = 211106941701900.

The previous prime is 211122010020091. The next prime is 211122010020137. The reversal of 211122010020101 is 101020010221112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211122010020101 is a prime.

It is a super-2 number, since 2×211122010020101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122010020301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7534138085 + ... + 7534166106.

It is an arithmetic number, because the mean of its divisors is an integer number (52784269584576).

Almost surely, 2^{211122010020101} is an apocalyptic number.

It is an amenable number.

211122010020101 is a deficient number, since it is larger than the sum of its proper divisors (15068318203).

211122010020101 is a wasteful number, since it uses less digits than its factorization.

211122010020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15068318202.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211122010020101 its reverse (101020010221112), we get a palindrome (312142020241213).

The spelling of 211122010020101 in words is "two hundred eleven trillion, one hundred twenty-two billion, ten million, twenty thousand, one hundred one".