221020220200102 has 16 divisors (see below), whose sum is σ = 331609264732512. Its totient is φ = 110483801124480.

The previous prime is 221020220200093. The next prime is 221020220200123. The reversal of 221020220200102 is 201002022020122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179132398 + ... + 180362014.

It is an arithmetic number, because the mean of its divisors is an integer number (20725579045782).

Almost surely, 2^{221020220200102} is an apocalyptic number.

221020220200102 is a deficient number, since it is larger than the sum of its proper divisors (110589044532410).

221020220200102 is a wasteful number, since it uses less digits than its factorization.

221020220200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250943.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 221020220200102 its reverse (201002022020122), we get a palindrome (422022242220224).

The spelling of 221020220200102 in words is "two hundred twenty-one trillion, twenty billion, two hundred twenty million, two hundred thousand, one hundred two".