121102101111010 has 64 divisors (see below), whose sum is σ = 231187501175904. Its totient is φ = 45516110745600.

The previous prime is 121102101110957. The next prime is 121102101111097. The reversal of 121102101111010 is 10111101201121.

121102101111010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 87878831645641 + 33223269465369 = 9374371^2 + 5763963^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 856301064 + ... + 856442476.

Almost surely, 2^{121102101111010} is an apocalyptic number.

121102101111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121102101111010 is a deficient number, since it is larger than the sum of its proper divisors (110085400064894).

121102101111010 is a wasteful number, since it uses less digits than its factorization.

121102101111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149719.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 121102101111010 its reverse (10111101201121), we get a palindrome (131213202312131).

The spelling of 121102101111010 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred one million, one hundred eleven thousand, ten".