1200103021102 has 4 divisors (see below), whose sum is σ = 1800154531656. Its totient is φ = 600051510550.

The previous prime is 1200103021099. The next prime is 1200103021121. The reversal of 1200103021102 is 2011203010021.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1200103021102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300025755274 + ... + 300025755277.

It is an arithmetic number, because the mean of its divisors is an integer number (450038632914).

Almost surely, 2^{1200103021102} is an apocalyptic number.

1200103021102 is a deficient number, since it is larger than the sum of its proper divisors (600051510554).

1200103021102 is an equidigital number, since it uses as much as digits as its factorization.

1200103021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600051510553.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1200103021102 its reverse (2011203010021), we get a palindrome (3211306031123).

The spelling of 1200103021102 in words is "one trillion, two hundred billion, one hundred three million, twenty-one thousand, one hundred two".