2101012342 has 16 divisors (see below), whose sum is σ = 3702483792. Its totient is φ = 881543520.

The previous prime is 2101012307. The next prime is 2101012351. The reversal of 2101012342 is 2432101012.

It is a super-2 number, since 2×2101012342² = 8828505722472649928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3672813 + ... + 3673384.

It is an arithmetic number, because the mean of its divisors is an integer number (231405237).

Almost surely, 2^2101012342 is an apocalyptic number.

2101012342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2101012342 is a deficient number, since it is larger than the sum of its proper divisors (1601471450).

2101012342 is a wasteful number, since it uses less digits than its factorization.

2101012342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7346223.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2101012342 is about 45836.8011754747. The cubic root of 2101012342 is about 1280.7849071802.

Adding to 2101012342 its reverse (2432101012), we get a palindrome (4533113354).

The spelling of 2101012342 in words is "two billion, one hundred one million, twelve thousand, three hundred forty-two".