11012022120021 has 16 divisors (see below), whose sum is σ = 15813005624640. Its totient is φ = 6776255583360.

The previous prime is 11012022120019. The next prime is 11012022120089. The reversal of 11012022120021 is 12002122021011.

It is not a de Polignac number, because 11012022120021 - 2¹ = 11012022120019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012022120721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7061775 + ... + 8478956.

It is an arithmetic number, because the mean of its divisors is an integer number (988312851540).

Almost surely, 2^{11012022120021} is an apocalyptic number.

It is an amenable number.

11012022120021 is a deficient number, since it is larger than the sum of its proper divisors (4800983504619).

11012022120021 is a wasteful number, since it uses less digits than its factorization.

11012022120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15558916.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11012022120021 its reverse (12002122021011), we get a palindrome (23014144141032).

It can be divided in two parts, 1101202 and 2120021, that added together give a palindrome (3221223).

The spelling of 11012022120021 in words is "eleven trillion, twelve billion, twenty-two million, one hundred twenty thousand, twenty-one".