221121200101102 has 32 divisors (see below), whose sum is σ = 399030179719680. Its totient is φ = 89775274307040.

The previous prime is 221121200101093. The next prime is 221121200101103. The reversal of 221121200101102 is 201101002121122.

It is a super-2 number, since 2×221121200101102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221121200101103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7733298 + ... + 22406389.

It is an arithmetic number, because the mean of its divisors is an integer number (12469693116240).

Almost surely, 2^{221121200101102} is an apocalyptic number.

221121200101102 is a deficient number, since it is larger than the sum of its proper divisors (177908979618578).

221121200101102 is a wasteful number, since it uses less digits than its factorization.

221121200101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30167296.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221121200101102 its reverse (201101002121122), we get a palindrome (422222202222224).

The spelling of 221121200101102 in words is "two hundred twenty-one trillion, one hundred twenty-one billion, two hundred million, one hundred one thousand, one hundred two".