121102020021110 has 16 divisors (see below), whose sum is σ = 218108842063632. Its totient is φ = 48412984447200.

The previous prime is 121102020021071. The next prime is 121102020021161. The reversal of 121102020021110 is 11120020201121.

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, 3477926876 + ... + 3477961695.

It is an arithmetic number, because the mean of its divisors is an integer number (13631802628977).

Almost surely, 2^{121102020021110} is an apocalyptic number.

121102020021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121102020021110 is a deficient number, since it is larger than the sum of its proper divisors (97006822042522).

121102020021110 is a wasteful number, since it uses less digits than its factorization.

121102020021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6955890319.

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

Adding to 121102020021110 its reverse (11120020201121), we get a palindrome (132222040222231).

The spelling of 121102020021110 in words is "one hundred twenty-one trillion, one hundred two billion, twenty million, twenty-one thousand, one hundred ten".