1121012020002 has 32 divisors (see below), whose sum is σ = 2584988537472. Its totient is φ = 317454729984.

The previous prime is 1121012019977. The next prime is 1121012020003. The reversal of 1121012020002 is 2000202101211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121012020002.

It is not an unprimeable number, because it can be changed into a prime (1121012020003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118095973 + ... + 118105464.

It is an arithmetic number, because the mean of its divisors is an integer number (80780891796).

Almost surely, 2^{1121012020002} is an apocalyptic number.

1121012020002 is an abundant number, since it is smaller than the sum of its proper divisors (1463976517470).

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

1121012020002 is a wasteful number, since it uses less digits than its factorization.

1121012020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236201562.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1121012020002 its reverse (2000202101211), we get a palindrome (3121214121213).

The spelling of 1121012020002 in words is "one trillion, one hundred twenty-one billion, twelve million, twenty thousand, two".