2010021121 has 8 divisors (see below), whose sum is σ = 2078713088. Its totient is φ = 1941570000.

The previous prime is 2010021107. The next prime is 2010021127. The reversal of 2010021121 is 1211200102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2010021121 - 2¹¹ = 2010019073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010021098 and 2010021107.

It is not an unprimeable number, because it can be changed into a prime (2010021127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43155 + ... + 76696.

It is an arithmetic number, because the mean of its divisors is an integer number (259839136).

Almost surely, 2^2010021121 is an apocalyptic number.

It is an amenable number.

2010021121 is a deficient number, since it is larger than the sum of its proper divisors (68691967).

2010021121 is a wasteful number, since it uses less digits than its factorization.

2010021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120423.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2010021121 is about 44833.2590941145. The cubic root of 2010021121 is about 1262.0218486141.

Adding to 2010021121 its reverse (1211200102), we get a palindrome (3221221223).

The spelling of 2010021121 in words is "two billion, ten million, twenty-one thousand, one hundred twenty-one".