11012211010102 has 4 divisors (see below), whose sum is σ = 16518316515156. Its totient is φ = 5506105505050.

The previous prime is 11012211010057. The next prime is 11012211010109. The reversal of 11012211010102 is 20101011221011.

It is a happy number.

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

It is a super-2 number, since 2×11012211010102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012211010109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2753052752524 + ... + 2753052752527.

It is an arithmetic number, because the mean of its divisors is an integer number (4129579128789).

Almost surely, 2^{11012211010102} is an apocalyptic number.

11012211010102 is a deficient number, since it is larger than the sum of its proper divisors (5506105505054).

11012211010102 is an equidigital number, since it uses as much as digits as its factorization.

11012211010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5506105505053.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11012211010102 its reverse (20101011221011), we get a palindrome (31113222231113).

The spelling of 11012211010102 in words is "eleven trillion, twelve billion, two hundred eleven million, ten thousand, one hundred two".