10200020111 has 8 divisors (see below), whose sum is σ = 10800927504. Its totient is φ = 9599213440.

The previous prime is 10200020107. The next prime is 10200020143. The reversal of 10200020111 is 11102000201.

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 10200020111 - 2² = 10200020107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200020161) 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, 313856 + ... + 344826.

It is an arithmetic number, because the mean of its divisors is an integer number (1350115938).

Almost surely, 2^10200020111 is an apocalyptic number.

10200020111 is a deficient number, since it is larger than the sum of its proper divisors (600907393).

10200020111 is a wasteful number, since it uses less digits than its factorization.

10200020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50361.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10200020111 its reverse (11102000201), we get a palindrome (21302020312).

It can be divided in two parts, 102000201 and 11, that multiplied together give a palindrome (1122002211).

The spelling of 10200020111 in words is "ten billion, two hundred million, twenty thousand, one hundred eleven".