1011121102002 has 64 divisors (see below), whose sum is σ = 2297399500800. Its totient is φ = 293892345600.

The previous prime is 1011121102001. The next prime is 1011121102027. The reversal of 1011121102002 is 2002011211101.

It is not an unprimeable number, because it can be changed into a prime (1011121102001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1955502 + ... + 2417897.

It is an arithmetic number, because the mean of its divisors is an integer number (35896867200).

Almost surely, 2^{1011121102002} is an apocalyptic number.

1011121102002 is an abundant number, since it is smaller than the sum of its proper divisors (1286278398798).

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

1011121102002 is a wasteful number, since it uses less digits than its factorization.

1011121102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373559.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1011121102002 its reverse (2002011211101), we get a palindrome (3013132313103).

The spelling of 1011121102002 in words is "one trillion, eleven billion, one hundred twenty-one million, one hundred two thousand, two".