11211001022 has 48 divisors (see below), whose sum is σ = 18849918528. Its totient is φ = 4969823040.

The previous prime is 11211001007. The next prime is 11211001049. The reversal of 11211001022 is 22010011211.

It is a junction number, because it is equal to n+sod(n) for n = 11211000994 and 11211001012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2930603 + ... + 2934425.

It is an arithmetic number, because the mean of its divisors is an integer number (392706636).

Almost surely, 2^11211001022 is an apocalyptic number.

11211001022 is a deficient number, since it is larger than the sum of its proper divisors (7638917506).

11211001022 is a wasteful number, since it uses less digits than its factorization.

11211001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985 (or 3942 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11211001022 its reverse (22010011211), we get a palindrome (33221012233).

The spelling of 11211001022 in words is "eleven billion, two hundred eleven million, one thousand, twenty-two".