211220021120110 has 8 divisors (see below), whose sum is σ = 380196038016216. Its totient is φ = 84488008448040.

The previous prime is 211220021120063. The next prime is 211220021120137. The reversal of 211220021120110 is 11021120022112.

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

It is a super-2 number, since 2×211220021120110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10561001055996 + ... + 10561001056015.

It is an arithmetic number, because the mean of its divisors is an integer number (47524504752027).

Almost surely, 2^{211220021120110} is an apocalyptic number.

211220021120110 is a deficient number, since it is larger than the sum of its proper divisors (168976016896106).

211220021120110 is a wasteful number, since it uses less digits than its factorization.

211220021120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21122002112018.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211220021120110 its reverse (11021120022112), we get a palindrome (222241141142222).

The spelling of 211220021120110 in words is "two hundred eleven trillion, two hundred twenty billion, twenty-one million, one hundred twenty thousand, one hundred ten".