1102102101221 has 32 divisors (see below), whose sum is σ = 1231170057216. Its totient is φ = 978113088000.

The previous prime is 1102102101197. The next prime is 1102102101251. The reversal of 1102102101221 is 1221012012011.

It is a cyclic number.

It is not a de Polignac number, because 1102102101221 - 2³⁰ = 1101028359397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102102101196 and 1102102101205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102102101251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70454561 + ... + 70470201.

It is an arithmetic number, because the mean of its divisors is an integer number (38474064288).

Almost surely, 2^{1102102101221} is an apocalyptic number.

1102102101221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1102102101221 is a deficient number, since it is larger than the sum of its proper divisors (129067955995).

1102102101221 is a wasteful number, since it uses less digits than its factorization.

1102102101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16493.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1102102101221 its reverse (1221012012011), we get a palindrome (2323114113232).

The spelling of 1102102101221 in words is "one trillion, one hundred two billion, one hundred two million, one hundred one thousand, two hundred twenty-one".