121102010110 has 16 divisors (see below), whose sum is σ = 218237990256. Its totient is φ = 48384276928.

The previous prime is 121102010077. The next prime is 121102010143. The reversal of 121102010110 is 11010201121.

It is an interprime number because it is at equal distance from previous prime (121102010077) and next prime (121102010143).

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 7056892 + ... + 7074031.

It is an arithmetic number, because the mean of its divisors is an integer number (13639874391).

Almost surely, 2^121102010110 is an apocalyptic number.

121102010110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121102010110 is a deficient number, since it is larger than the sum of its proper divisors (97135980146).

121102010110 is a wasteful number, since it uses less digits than its factorization.

121102010110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14131787.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121102010110 its reverse (11010201121), we get a palindrome (132112211231).

The spelling of 121102010110 in words is "one hundred twenty-one billion, one hundred two million, ten thousand, one hundred ten".