1200110100102 has 64 divisors (see below), whose sum is σ = 2682154238400. Its totient is φ = 397751109120.

The previous prime is 1200110100041. The next prime is 1200110100109. The reversal of 1200110100102 is 2010010110021.

It is a happy number.

It is a super-4 number, since 4×1200110100102⁴ (a number of 49 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200110100109) 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, 78858798 + ... + 78874014.

It is an arithmetic number, because the mean of its divisors is an integer number (41908659975).

Almost surely, 2^{1200110100102} is an apocalyptic number.

1200110100102 is an abundant number, since it is smaller than the sum of its proper divisors (1482044138298).

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

1200110100102 is a wasteful number, since it uses less digits than its factorization.

1200110100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23478 (or 23472 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1200110100102 its reverse (2010010110021), we get a palindrome (3210120210123).

The spelling of 1200110100102 in words is "one trillion, two hundred billion, one hundred ten million, one hundred thousand, one hundred two".