120101021110100 has 18 divisors (see below), whose sum is σ = 260619215809134. Its totient is φ = 48040408444000.

The previous prime is 120101021110061. The next prime is 120101021110139. The reversal of 120101021110100 is 1011120101021.

It is an interprime number because it is at equal distance from previous prime (120101021110061) and next prime (120101021110139).

It can be written as a sum of positive squares in 3 ways, for example, as 2123799070276 + 117977222039824 = 1457326^2 + 10861732^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 600505105451 + ... + 600505105650.

Almost surely, 2^{120101021110100} is an apocalyptic number.

120101021110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120101021110100 is an abundant number, since it is smaller than the sum of its proper divisors (140518194699034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120101021110100 is a wasteful number, since it uses less digits than its factorization.

120101021110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201010211115 (or 1201010211108 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 120101021110100 its reverse (1011120101021), we get a palindrome (121112141211121).

The spelling of 120101021110100 in words is "one hundred twenty trillion, one hundred one billion, twenty-one million, one hundred ten thousand, one hundred".