211120021010 has 16 divisors (see below), whose sum is σ = 383379013656. Its totient is φ = 83700680448.

The previous prime is 211120021003. The next prime is 211120021031. The reversal of 211120021010 is 10120021112.

It can be written as a sum of positive squares in 4 ways, for example, as 129055533049 + 82064487961 = 359243^2 + 286469^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211120020982 and 211120021000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93414809 + ... + 93417068.

Almost surely, 2^211120021010 is an apocalyptic number.

211120021010 is a deficient number, since it is larger than the sum of its proper divisors (172258992646).

211120021010 is a wasteful number, since it uses less digits than its factorization.

211120021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186831997.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211120021010 its reverse (10120021112), we get a palindrome (221240042122).

The spelling of 211120021010 in words is "two hundred eleven billion, one hundred twenty million, twenty-one thousand, ten".