1000101211211 has 8 divisors (see below), whose sum is σ = 1043599052544. Its totient is φ = 956604634920.

The previous prime is 1000101211201. The next prime is 1000101211223. The reversal of 1000101211211 is 1121121010001.

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 1000101211211 - 2¹⁰ = 1000101210187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000101211192 and 1000101211201.

It is not an unprimeable number, because it can be changed into a prime (1000101211201) 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, 1528196 + ... + 2082206.

It is an arithmetic number, because the mean of its divisors is an integer number (130449881568).

Almost surely, 2^{1000101211211} is an apocalyptic number.

1000101211211 is a deficient number, since it is larger than the sum of its proper divisors (43497841333).

1000101211211 is an equidigital number, since it uses as much as digits as its factorization.

1000101211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632521.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1000101211211 its reverse (1121121010001), we get a palindrome (2121222221212).

The spelling of 1000101211211 in words is "one trillion, one hundred one million, two hundred eleven thousand, two hundred eleven".