1201020220102 has 4 divisors (see below), whose sum is σ = 1801530330156. Its totient is φ = 600510110050.

The previous prime is 1201020220091. The next prime is 1201020220133. The reversal of 1201020220102 is 2010220201021.

It is a happy number.

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

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, 300255055024 + ... + 300255055027.

It is an arithmetic number, because the mean of its divisors is an integer number (450382582539).

Almost surely, 2^{1201020220102} is an apocalyptic number.

1201020220102 is a deficient number, since it is larger than the sum of its proper divisors (600510110054).

1201020220102 is an equidigital number, since it uses as much as digits as its factorization.

1201020220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600510110053.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1201020220102 its reverse (2010220201021), we get a palindrome (3211240421123).

The spelling of 1201020220102 in words is "one trillion, two hundred one billion, twenty million, two hundred twenty thousand, one hundred two".