2011001002122 has 48 divisors (see below), whose sum is σ = 4724079302592. Its totient is φ = 568993340160.

The previous prime is 2011001002099. The next prime is 2011001002141. The reversal of 2011001002122 is 2212001001102.

It is a junction number, because it is equal to n+sod(n) for n = 2011001002098 and 2011001002107.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33174279 + ... + 33234842.

It is an arithmetic number, because the mean of its divisors is an integer number (98418318804).

Almost surely, 2^{2011001002122} is an apocalyptic number.

2011001002122 is an abundant number, since it is smaller than the sum of its proper divisors (2713078300470).

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

2011001002122 is a wasteful number, since it uses less digits than its factorization.

2011001002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66409243 (or 66409236 counting only the distinct ones).

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

Adding to 2011001002122 its reverse (2212001001102), we get a palindrome (4223002003224).

The spelling of 2011001002122 in words is "two trillion, eleven billion, one million, two thousand, one hundred twenty-two".