213056890106 has 16 divisors (see below), whose sum is σ = 330617953800. Its totient is φ = 102851181888.

The previous prime is 213056890091. The next prime is 213056890147. The reversal of 213056890106 is 601098650312.

It can be written as a sum of positive squares in 4 ways, for example, as 203528201881 + 9528688225 = 451141^2 + 97615^2 .

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, 2033000 + ... + 2135228.

Almost surely, 2^213056890106 is an apocalyptic number.

213056890106 is a deficient number, since it is larger than the sum of its proper divisors (117561063694).

213056890106 is a wasteful number, since it uses less digits than its factorization.

213056890106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138193.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 213056890106 in words is "two hundred thirteen billion, fifty-six million, eight hundred ninety thousand, one hundred six".