1020011000211 has 64 divisors (see below), whose sum is σ = 1803313152000. Its totient is φ = 557143079328.

The previous prime is 1020011000209. The next prime is 1020011000213. The reversal of 1020011000211 is 1120001100201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1020011000209) and next prime (1020011000213).

It is not a de Polignac number, because 1020011000211 - 2¹ = 1020011000209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1020011000193 and 1020011000202.

It is not an unprimeable number, because it can be changed into a prime (1020011000213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6385090 + ... + 6542888.

It is an arithmetic number, because the mean of its divisors is an integer number (28176768000).

Almost surely, 2^{1020011000211} is an apocalyptic number.

1020011000211 is a deficient number, since it is larger than the sum of its proper divisors (783302151789).

1020011000211 is a wasteful number, since it uses less digits than its factorization.

1020011000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159325 (or 159319 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1020011000211 its reverse (1120001100201), we get a palindrome (2140012100412).

The spelling of 1020011000211 in words is "one trillion, twenty billion, eleven million, two hundred eleven", and thus it is an aban number.