10200001021011 has 10 divisors (see below), whose sum is σ = 15237038562372. Its totient is φ = 6800000680620.

The previous prime is 10200001020977. The next prime is 10200001021097. The reversal of 10200001021011 is 11012010000201.

It is a happy number.

It is not a de Polignac number, because 10200001021011 - 2⁶ = 10200001020947 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 = 10200001020984 and 10200001021002.

It is not an unprimeable number, because it can be changed into a prime (10200001021211) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 62962969185 + ... + 62962969346.

Almost surely, 2^{10200001021011} is an apocalyptic number.

10200001021011 is a deficient number, since it is larger than the sum of its proper divisors (5037037541361).

10200001021011 is an equidigital number, since it uses as much as digits as its factorization.

10200001021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125925938543 (or 125925938534 counting only the distinct ones).

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

Adding to 10200001021011 its reverse (11012010000201), we get a palindrome (21212011021212).

The spelling of 10200001021011 in words is "ten trillion, two hundred billion, one million, twenty-one thousand, eleven".