221000020033102 has 4 divisors (see below), whose sum is σ = 331500030049656. Its totient is φ = 110500010016550.

The previous prime is 221000020033031. The next prime is 221000020033139. The reversal of 221000020033102 is 201330020000122.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55250005008274 + ... + 55250005008277.

It is an arithmetic number, because the mean of its divisors is an integer number (82875007512414).

Almost surely, 2^{221000020033102} is an apocalyptic number.

221000020033102 is a deficient number, since it is larger than the sum of its proper divisors (110500010016554).

221000020033102 is a wasteful number, since it uses less digits than its factorization.

221000020033102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110500010016553.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 221000020033102 its reverse (201330020000122), we get a palindrome (422330040033224).

The spelling of 221000020033102 in words is "two hundred twenty-one trillion, twenty million, thirty-three thousand, one hundred two".