211020211120110 has 64 divisors (see below), whose sum is σ = 585771766820352. Its totient is φ = 47652068324736.

The previous prime is 211020211120093. The next prime is 211020211120129. The reversal of 211020211120110 is 11021112020112.

It is a happy number.

It is a super-2 number, since 2×211020211120110² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211020211120110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6053344909 + ... + 6053379768.

It is an arithmetic number, because the mean of its divisors is an integer number (9152683856568).

Almost surely, 2^{211020211120110} is an apocalyptic number.

211020211120110 is an abundant number, since it is smaller than the sum of its proper divisors (374751555700242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211020211120110 is a wasteful number, since it uses less digits than its factorization.

211020211120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12106724777.

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

Adding to 211020211120110 its reverse (11021112020112), we get a palindrome (222041323140222).

The spelling of 211020211120110 in words is "two hundred eleven trillion, twenty billion, two hundred eleven million, one hundred twenty thousand, one hundred ten".