211111020220113 has 64 divisors (see below), whose sum is σ = 337798819008000. Its totient is φ = 129535181918208.

The previous prime is 211111020220103. The next prime is 211111020220123. The reversal of 211111020220113 is 311022020111112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (211111020220103) and next prime (211111020220123).

It is not a de Polignac number, because 211111020220113 - 2⁴ = 211111020220097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211111020220103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1557269028 + ... + 1557404586.

It is an arithmetic number, because the mean of its divisors is an integer number (5278106547000).

Almost surely, 2^{211111020220113} is an apocalyptic number.

It is an amenable number.

211111020220113 is a deficient number, since it is larger than the sum of its proper divisors (126687798787887).

211111020220113 is a wasteful number, since it uses less digits than its factorization.

211111020220113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148503 (or 148497 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 211111020220113 its reverse (311022020111112), we get a palindrome (522133040331225).

The spelling of 211111020220113 in words is "two hundred eleven trillion, one hundred eleven billion, twenty million, two hundred twenty thousand, one hundred thirteen".