11211011210122 has 4 divisors (see below), whose sum is σ = 16816516815186. Its totient is φ = 5605505605060.

The previous prime is 11211011210111. The next prime is 11211011210183. The reversal of 11211011210122 is 22101211011211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7030086347761 + 4180924862361 = 2651431^2 + 2044731^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11211011210096 and 11211011210105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802752802529 + ... + 2802752802532.

Almost surely, 2^{11211011210122} is an apocalyptic number.

11211011210122 is a deficient number, since it is larger than the sum of its proper divisors (5605505605064).

11211011210122 is an equidigital number, since it uses as much as digits as its factorization.

11211011210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605505605063.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11211011210122 its reverse (22101211011211), we get a palindrome (33312222221333).

The spelling of 11211011210122 in words is "eleven trillion, two hundred eleven billion, eleven million, two hundred ten thousand, one hundred twenty-two".