2111121211002 has 32 divisors (see below), whose sum is σ = 4433028609600. Its totient is φ = 669300390528.

The previous prime is 2111121210971. The next prime is 2111121211039. The reversal of 2111121211002 is 2001121211112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90532227 + ... + 90555542.

It is an arithmetic number, because the mean of its divisors is an integer number (138532144050).

Almost surely, 2^{2111121211002} is an apocalyptic number.

2111121211002 is an abundant number, since it is smaller than the sum of its proper divisors (2321907398598).

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

2111121211002 is a wasteful number, since it uses less digits than its factorization.

2111121211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181087870.

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

Adding to 2111121211002 its reverse (2001121211112), we get a palindrome (4112242422114).

The spelling of 2111121211002 in words is "two trillion, one hundred eleven billion, one hundred twenty-one million, two hundred eleven thousand, two".