102201011 has 8 divisors (see below), whose sum is σ = 111919104. Its totient is φ = 92554120.

The previous prime is 102201007. The next prime is 102201061. The reversal of 102201011 is 110102201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102201011 - 2² = 102201007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102201011.

It is not an unprimeable number, because it can be changed into a prime (102201061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14771 + ... + 20556.

It is an arithmetic number, because the mean of its divisors is an integer number (13989888).

Almost surely, 2^102201011 is an apocalyptic number.

102201011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102201011 is a deficient number, since it is larger than the sum of its proper divisors (9718093).

102201011 is a wasteful number, since it uses less digits than its factorization.

102201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35601.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 102201011 is about 10109.4515677162. The cubic root of 102201011 is about 467.5395961010.

Adding to 102201011 its reverse (110102201), we get a palindrome (212303212).

The spelling of 102201011 in words is "one hundred two million, two hundred one thousand, eleven".