1203220101 has 8 divisors (see below), whose sum is σ = 1698663744. Its totient is φ = 754961600.

The previous prime is 1203220097. The next prime is 1203220129. The reversal of 1203220101 is 1010223021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1203220101 - 2² = 1203220097 is a prime.

It is a super-2 number, since 2×1203220101² = 2895477222900900402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203220141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11796225 + ... + 11796326.

It is an arithmetic number, because the mean of its divisors is an integer number (212332968).

Almost surely, 2^1203220101 is an apocalyptic number.

It is an amenable number.

1203220101 is a deficient number, since it is larger than the sum of its proper divisors (495443643).

1203220101 is a wasteful number, since it uses less digits than its factorization.

1203220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23592571.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1203220101 is about 34687.4631675480. The cubic root of 1203220101 is about 1063.6082391019.

Adding to 1203220101 its reverse (1010223021), we get a palindrome (2213443122).

The spelling of 1203220101 in words is "one billion, two hundred three million, two hundred twenty thousand, one hundred one".