221002020111102 has 8 divisors (see below), whose sum is σ = 442004040222216. Its totient is φ = 73667340037032.

The previous prime is 221002020111083. The next prime is 221002020111143. The reversal of 221002020111102 is 201111020200122.

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

221002020111102 is an admirable number.

It is a super-3 number, since 3×221002020111102³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18416835009253 + ... + 18416835009264.

It is an arithmetic number, because the mean of its divisors is an integer number (55250505027777).

Almost surely, 2^{221002020111102} is an apocalyptic number.

221002020111102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221002020111102 is a wasteful number, since it uses less digits than its factorization.

221002020111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36833670018522.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221002020111102 its reverse (201111020200122), we get a palindrome (422113040311224).

The spelling of 221002020111102 in words is "two hundred twenty-one trillion, two billion, twenty million, one hundred eleven thousand, one hundred two".