1010202121211 has 8 divisors (see below), whose sum is σ = 1054166966784. Its totient is φ = 966240860200.

The previous prime is 1010202121177. The next prime is 1010202121237. The reversal of 1010202121211 is 1121212020101.

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 1010202121211 - 2³⁰ = 1009128379387 is a prime.

It is a super-2 number, since 2×1010202121211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010202121811) 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, 312131 + ... + 1455276.

It is an arithmetic number, because the mean of its divisors is an integer number (131770870848).

Almost surely, 2^{1010202121211} is an apocalyptic number.

1010202121211 is a deficient number, since it is larger than the sum of its proper divisors (43964845573).

1010202121211 is a wasteful number, since it uses less digits than its factorization.

1010202121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792281.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1010202121211 its reverse (1121212020101), we get a palindrome (2131414141312).

The spelling of 1010202121211 in words is "one trillion, ten billion, two hundred two million, one hundred twenty-one thousand, two hundred eleven".