1010020200111 has 24 divisors (see below), whose sum is σ = 1577402111376. Its totient is φ = 619074576000.

The previous prime is 1010020200083. The next prime is 1010020200131. The reversal of 1010020200111 is 1110020200101.

It is a happy number.

It is not a de Polignac number, because 1010020200111 - 2⁹ = 1010020199599 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 = 1010020200093 and 1010020200102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010020200131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17167150 + ... + 17225883.

It is an arithmetic number, because the mean of its divisors is an integer number (65725087974).

Almost surely, 2^{1010020200111} is an apocalyptic number.

1010020200111 is a deficient number, since it is larger than the sum of its proper divisors (567381911265).

1010020200111 is a wasteful number, since it uses less digits than its factorization.

1010020200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34393303 (or 34393300 counting only the distinct ones).

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

Adding to 1010020200111 its reverse (1110020200101), we get a palindrome (2120040400212).

The spelling of 1010020200111 in words is "one trillion, ten billion, twenty million, two hundred thousand, one hundred eleven".