11012121101202 has 128 divisors (see below), whose sum is σ = 25057406287872. Its totient is φ = 3202739654400.

The previous prime is 11012121101119. The next prime is 11012121101221. The reversal of 11012121101202 is 20210112121011.

It is a happy number.

It is a super-2 number, since 2×11012121101202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28385677 + ... + 28771007.

It is an arithmetic number, because the mean of its divisors is an integer number (195760986624).

Almost surely, 2^{11012121101202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11012121101202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12528703143936).

11012121101202 is an abundant number, since it is smaller than the sum of its proper divisors (14045285186670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11012121101202 is a wasteful number, since it uses less digits than its factorization.

11012121101202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385656.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11012121101202 its reverse (20210112121011), we get a palindrome (31222233222213).

The spelling of 11012121101202 in words is "eleven trillion, twelve billion, one hundred twenty-one million, one hundred one thousand, two hundred two".