221200011001010 has 32 divisors (see below), whose sum is σ = 398898233459712. Its totient is φ = 88316094156480.

The previous prime is 221200011000979. The next prime is 221200011001037. The reversal of 221200011001010 is 10100110002122.

It is a junction number, because it is equal to n+sod(n) for n = 221200011000982 and 221200011001000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4320380 + ... + 21472440.

It is an arithmetic number, because the mean of its divisors is an integer number (12465569795616).

Almost surely, 2^{221200011001010} is an apocalyptic number.

221200011001010 is a deficient number, since it is larger than the sum of its proper divisors (177698222458702).

221200011001010 is a wasteful number, since it uses less digits than its factorization.

221200011001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17154458.

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

Adding to 221200011001010 its reverse (10100110002122), we get a palindrome (231300121003132).

The spelling of 221200011001010 in words is "two hundred twenty-one trillion, two hundred billion, eleven million, one thousand, ten".