220221210121102 has 8 divisors (see below), whose sum is σ = 330332036660496. Its totient is φ = 110110531234272.

The previous prime is 220221210121091. The next prime is 220221210121103. The reversal of 220221210121102 is 201121012122022.

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

It is a self number, because there is not a number n which added to its sum of digits gives 220221210121102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220221210121103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33105898 + ... + 39197485.

It is an arithmetic number, because the mean of its divisors is an integer number (41291504582562).

Almost surely, 2^{220221210121102} is an apocalyptic number.

220221210121102 is a deficient number, since it is larger than the sum of its proper divisors (110110826539394).

220221210121102 is a wasteful number, since it uses less digits than its factorization.

220221210121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73826282.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220221210121102 its reverse (201121012122022), we get a palindrome (421342222243124).

The spelling of 220221210121102 in words is "two hundred twenty trillion, two hundred twenty-one billion, two hundred ten million, one hundred twenty-one thousand, one hundred two".