1011211200101 has 8 divisors (see below), whose sum is σ = 1031554864704. Its totient is φ = 991069960320.

The previous prime is 1011211200089. The next prime is 1011211200113. The reversal of 1011211200101 is 1010021121101.

It is an interprime number because it is at equal distance from previous prime (1011211200089) and next prime (1011211200113).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011211200101 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 (1011211200401) 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, 50596115 + ... + 50616096.

It is an arithmetic number, because the mean of its divisors is an integer number (128944358088).

Almost surely, 2^{1011211200101} is an apocalyptic number.

It is an amenable number.

1011211200101 is a deficient number, since it is larger than the sum of its proper divisors (20343664603).

1011211200101 is a wasteful number, since it uses less digits than its factorization.

1011211200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101212411.

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

Adding to 1011211200101 its reverse (1010021121101), we get a palindrome (2021232321202).

The spelling of 1011211200101 in words is "one trillion, eleven billion, two hundred eleven million, two hundred thousand, one hundred one".