221011010102010 has 32 divisors (see below), whose sum is σ = 535292721722880. Its totient is φ = 58395569640768.

The previous prime is 221011010102009. The next prime is 221011010102039. The reversal of 221011010102010 is 10201010110122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33793729162 + ... + 33793735701.

It is an arithmetic number, because the mean of its divisors is an integer number (16727897553840).

Almost surely, 2^{221011010102010} is an apocalyptic number.

221011010102010 is an abundant number, since it is smaller than the sum of its proper divisors (314281711620870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221011010102010 is a wasteful number, since it uses less digits than its factorization.

221011010102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67587464982.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 221011010102010 its reverse (10201010110122), we get a palindrome (231212020212132).

The spelling of 221011010102010 in words is "two hundred twenty-one trillion, eleven billion, ten million, one hundred two thousand, ten".