1210001002202 has 4 divisors (see below), whose sum is σ = 1815001503306. Its totient is φ = 605000501100.

The previous prime is 1210001002153. The next prime is 1210001002211. The reversal of 1210001002202 is 2022001000121.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1043521497841 + 166479504361 = 1021529^2 + 408019^2 .

It is a super-3 number, since 3×1210001002202³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302500250549 + ... + 302500250552.

Almost surely, 2^{1210001002202} is an apocalyptic number.

1210001002202 is a deficient number, since it is larger than the sum of its proper divisors (605000501104).

1210001002202 is an equidigital number, since it uses as much as digits as its factorization.

1210001002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605000501103.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1210001002202 its reverse (2022001000121), we get a palindrome (3232002002323).

The spelling of 1210001002202 in words is "one trillion, two hundred ten billion, one million, two thousand, two hundred two".