2215340342061 has 48 divisors (see below), whose sum is σ = 3911379383808. Its totient is φ = 1100790213600.

The previous prime is 2215340342053. The next prime is 2215340342113. The reversal of 2215340342061 is 1602430435122.

2215340342061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2215340342061 - 2³ = 2215340342053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215340342011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29746095 + ... + 29820476.

It is an arithmetic number, because the mean of its divisors is an integer number (81487070496).

Almost surely, 2^{2215340342061} is an apocalyptic number.

2215340342061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2215340342061 is a deficient number, since it is larger than the sum of its proper divisors (1696039041747).

2215340342061 is a wasteful number, since it uses less digits than its factorization.

2215340342061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59566622 (or 59566615 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 2215340342061 its reverse (1602430435122), we get a palindrome (3817770777183).

The spelling of 2215340342061 in words is "two trillion, two hundred fifteen billion, three hundred forty million, three hundred forty-two thousand, sixty-one".