1202122101 has 8 divisors (see below), whose sum is σ = 1603261504. Its totient is φ = 801198720.

The previous prime is 1202122073. The next prime is 1202122111. The reversal of 1202122101 is 1012212021.

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

It is not a de Polignac number, because 1202122101 - 2⁵ = 1202122069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202122111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40540 + ... + 63621.

It is an arithmetic number, because the mean of its divisors is an integer number (200407688).

Almost surely, 2^1202122101 is an apocalyptic number.

It is an amenable number.

1202122101 is a deficient number, since it is larger than the sum of its proper divisors (401139403).

1202122101 is a wasteful number, since it uses less digits than its factorization.

1202122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108011.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1202122101 is about 34671.6325113197. The cubic root of 1202122101 is about 1063.2846082981.

Adding to 1202122101 its reverse (1012212021), we get a palindrome (2214334122).

The spelling of 1202122101 in words is "one billion, two hundred two million, one hundred twenty-two thousand, one hundred one".