211544022130 has 16 divisors (see below), whose sum is σ = 435176274240. Its totient is φ = 72529378992.

The previous prime is 211544022101. The next prime is 211544022191. The reversal of 211544022130 is 31220445112.

It is a junction number, because it is equal to n+sod(n) for n = 211544022095 and 211544022104.

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, 1511028660 + ... + 1511028799.

It is an arithmetic number, because the mean of its divisors is an integer number (27198517140).

Almost surely, 2^211544022130 is an apocalyptic number.

211544022130 is an abundant number, since it is smaller than the sum of its proper divisors (223632252110).

211544022130 is a wasteful number, since it uses less digits than its factorization.

211544022130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022057473.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 211544022130 its reverse (31220445112), we get a palindrome (242764467242).

The spelling of 211544022130 in words is "two hundred eleven billion, five hundred forty-four million, twenty-two thousand, one hundred thirty".